diff --git a/intern/ghost/GHOST_ISystem.hh b/intern/ghost/GHOST_ISystem.hh
index a29dbc0f21b..ef4495096d2 100644
--- a/intern/ghost/GHOST_ISystem.hh
+++ b/intern/ghost/GHOST_ISystem.hh
@@ -6,7 +6,7 @@
  * \ingroup GHOST
  * %Main interface file for C++ Api with declaration of GHOST_ISystem interface
  * class.
- * Contains the doxygen documentation main page.
+ * Contains the DOXYGEN documentation main page.
  */
 
 #pragma once
diff --git a/source/blender/blenkernel/BKE_grease_pencil.hh b/source/blender/blenkernel/BKE_grease_pencil.hh
index 8e07057c5ad..1ff028fcf9e 100644
--- a/source/blender/blenkernel/BKE_grease_pencil.hh
+++ b/source/blender/blenkernel/BKE_grease_pencil.hh
@@ -104,7 +104,7 @@ class Drawing : public ::GreasePencilDrawing {
 
   /**
    * Add a user for this drawing. When a drawing has multiple users, both users are allowed to
-   * modifify this drawings data.
+   * modify this drawings data.
    */
   void add_user() const;
   /**
diff --git a/source/blender/blenkernel/BKE_lib_remap.h b/source/blender/blenkernel/BKE_lib_remap.h
index 3cd28a7f5c2..93fd831e578 100644
--- a/source/blender/blenkernel/BKE_lib_remap.h
+++ b/source/blender/blenkernel/BKE_lib_remap.h
@@ -89,8 +89,8 @@ enum {
   ID_REMAP_FORCE_USER_REFCOUNT = 1 << 17,
   /**
    * Do NOT handle user count for IDs (used in some cases when dealing with IDs from different
-   * BMains, if usercount will be recomputed anyway afterwards, like e.g. in memfile reading during
-   * undo step decoding).
+   * BMains, if user-count will be recomputed anyway afterwards, like e.g.
+   * in memfile reading during undo step decoding).
    */
   ID_REMAP_SKIP_USER_REFCOUNT = 1 << 18,
   /**
diff --git a/source/blender/blenkernel/BKE_mesh_legacy_convert.hh b/source/blender/blenkernel/BKE_mesh_legacy_convert.hh
index 0c6a82f1596..e23221eea31 100644
--- a/source/blender/blenkernel/BKE_mesh_legacy_convert.hh
+++ b/source/blender/blenkernel/BKE_mesh_legacy_convert.hh
@@ -95,7 +95,7 @@ void BKE_mesh_convert_mfaces_to_mpolys(Mesh *mesh);
  * the difference is how active/render/clone/stencil indices are handled here.
  *
  * normally they're being set from `pdata` which totally makes sense for meshes which are
- * already converted to #BMesh ures, but when loading older files indices shall be updated in
+ * already converted to #BMesh structures, but when loading older files indices shall be updated in
  * other way around, so newly added `pdata` and `ldata` would have this indices set based on
  * `pdata`  layer.
  *
diff --git a/source/blender/blenkernel/intern/armature.cc b/source/blender/blenkernel/intern/armature.cc
index fa852ad1ab9..98392fb3882 100644
--- a/source/blender/blenkernel/intern/armature.cc
+++ b/source/blender/blenkernel/intern/armature.cc
@@ -2197,7 +2197,7 @@ void vec_roll_to_mat3_normalized(const float nor[3], const float roll, float r_m
 
     if (theta <= SAFE_THRESHOLD) {
       /* When nor is close to negative Y axis (0,-1,0) the theta precision is very bad,
-       * so recompute it from x and z instead, using the series expansion for sqrt. */
+       * so recompute it from x and z instead, using the series expansion for `sqrt`. */
       theta = theta_alt * 0.5f + theta_alt * theta_alt * 0.125f;
     }
 
diff --git a/source/blender/blenkernel/intern/fluid.cc b/source/blender/blenkernel/intern/fluid.cc
index 39266d44f47..f20b41814ac 100644
--- a/source/blender/blenkernel/intern/fluid.cc
+++ b/source/blender/blenkernel/intern/fluid.cc
@@ -859,7 +859,7 @@ static void update_velocities(FluidEffectorSettings *fes,
   nearest.index = -1;
 
   /* Distance between two opposing vertices in a unit cube.
-   * I.e. the unit cube diagonal or sqrt(3).
+   * I.e. the unit cube diagonal or `sqrt(3)`.
    * This value is our nearest neighbor search distance. */
   const float surface_distance = 1.732;
   /* find_nearest uses squared distance */
@@ -1703,7 +1703,7 @@ static void update_distances(int index,
     BVHTreeNearest nearest = {0};
     nearest.index = -1;
     /* Distance between two opposing vertices in a unit cube.
-     * I.e. the unit cube diagonal or sqrt(3).
+     * I.e. the unit cube diagonal or `sqrt(3)`.
      * This value is our nearest neighbor search distance. */
     const float surface_distance = 1.732;
     /* find_nearest uses squared distance. */
@@ -1825,7 +1825,7 @@ static void sample_mesh(FluidFlowSettings *ffs,
   nearest.index = -1;
 
   /* Distance between two opposing vertices in a unit cube.
-   * I.e. the unit cube diagonal or sqrt(3).
+   * I.e. the unit cube diagonal or `sqrt(3)`.
    * This value is our nearest neighbor search distance. */
   const float surface_distance = 1.732;
   /* find_nearest uses squared distance. */
diff --git a/source/blender/blenkernel/intern/gpencil_geom_legacy.cc b/source/blender/blenkernel/intern/gpencil_geom_legacy.cc
index 1a24b6d2064..698abdfed5a 100644
--- a/source/blender/blenkernel/intern/gpencil_geom_legacy.cc
+++ b/source/blender/blenkernel/intern/gpencil_geom_legacy.cc
@@ -1049,14 +1049,14 @@ bool BKE_gpencil_stroke_smooth_point(bGPDstroke *gps,
 
   /* This function uses a binomial kernel, which is the discrete version of gaussian blur.
    * The weight for a vertex at the relative index point_index is
-   * w = nCr(n, j + n/2) / 2^n = (n/1 * (n-1)/2 * ... * (n-j-n/2)/(j+n/2)) / 2^n
+   * `w = nCr(n, j + n/2) / 2^n = (n/1 * (n-1)/2 * ... * (n-j-n/2)/(j+n/2)) / 2^n`
    * All weights together sum up to 1
    * This is equivalent to doing multiple iterations of averaging neighbors,
    * where n = iterations * 2 and -n/2 <= j <= n/2
    *
-   * Now the problem is that nCr(n, j + n/2) is very hard to compute for n > 500, since even
+   * Now the problem is that `nCr(n, j + n/2)` is very hard to compute for `n > 500`, since even
    * double precision isn't sufficient. A very good robust approximation for n > 20 is
-   * nCr(n, j + n/2) / 2^n = sqrt(2/(pi*n)) * exp(-2*j*j/n)
+   * `nCr(n, j + n/2) / 2^n = sqrt(2/(pi*n)) * exp(-2*j*j/n)`
    *
    * There is one more problem left: The old smooth algorithm was doing a more aggressive
    * smooth. To solve that problem, choose a different n/2, which does not match the range and
@@ -1064,8 +1064,8 @@ bool BKE_gpencil_stroke_smooth_point(bGPDstroke *gps,
    *
    * keep_shape is a new option to stop the stroke from severely deforming.
    * It uses different partially negative weights.
-   * w = 2 * (nCr(n, j + n/2) / 2^n) - (nCr(3*n, j + n) / 2^(3*n))
-   *   ~ 2 * sqrt(2/(pi*n)) * exp(-2*j*j/n) - sqrt(2/(pi*3*n)) * exp(-2*j*j/(3*n))
+   * w = `2 * (nCr(n, j + n/2) / 2^n) - (nCr(3*n, j + n) / 2^(3*n))`
+   *   ~ `2 * sqrt(2/(pi*n)) * exp(-2*j*j/n) - sqrt(2/(pi*3*n)) * exp(-2*j*j/(3*n))`
    * All weights still sum up to 1.
    * Note these weights only work because the averaging is done in relative coordinates.
    */
@@ -1117,7 +1117,7 @@ bool BKE_gpencil_stroke_smooth_point(bGPDstroke *gps,
   }
   total_w += w - w2;
   /* The accumulated weight total_w should be
-   * ~sqrt(M_PI * n_half) * exp((iterations * iterations) / n_half) < 100
+   * `~sqrt(M_PI * n_half) * exp((iterations * iterations) / n_half) < 100`
    * here, but sometimes not quite. */
   mul_v3_fl(sco, float(1.0 / total_w));
   /* Shift back to global coordinates. */
diff --git a/source/blender/blenlib/BLI_math_base_safe.h b/source/blender/blenlib/BLI_math_base_safe.h
index c349c9a0b65..b072c6ce88c 100644
--- a/source/blender/blenlib/BLI_math_base_safe.h
+++ b/source/blender/blenlib/BLI_math_base_safe.h
@@ -7,7 +7,7 @@
 /** \file
  * \ingroup bli
  *
- * This file provides safe alternatives to common math functions like sqrt, powf.
+ * This file provides safe alternatives to common math functions like `sqrt`, `powf`.
  * In this context "safe" means that the output is not NaN if the input is not NaN.
  */
 
diff --git a/source/blender/blenlib/intern/noise.c b/source/blender/blenlib/intern/noise.c
index ad4d6805c28..37da5110a22 100644
--- a/source/blender/blenlib/intern/noise.c
+++ b/source/blender/blenlib/intern/noise.c
@@ -1051,9 +1051,11 @@ static float voronoi_Cr(float x, float y, float z)
   return t;
 }
 
-/* Signed version of all 6 of the above, just 2x-1, not really correct though
- * (range is potentially (0, sqrt(6)).
- * Used in the musgrave functions */
+/**
+ * Signed version of all 6 of the above, just 2x-1, not really correct though
+ * (range is potentially `(0, sqrt(6))`.
+ * Used in the musgrave functions.
+ */
 static float voronoi_F1S(float x, float y, float z)
 {
   float da[4], pa[12];
diff --git a/source/blender/blenlib/tests/BLI_string_test.cc b/source/blender/blenlib/tests/BLI_string_test.cc
index 6de71b134cc..79c82348a0e 100644
--- a/source/blender/blenlib/tests/BLI_string_test.cc
+++ b/source/blender/blenlib/tests/BLI_string_test.cc
@@ -850,7 +850,7 @@ TEST(string, StringNLen)
   EXPECT_EQ(1, BLI_strnlen("x", 1));
   EXPECT_EQ(1, BLI_strnlen("x", 100));
 
-  // ü is \xc3\xbc
+  /* `ü` is `\xc3\xbc`. */
   EXPECT_EQ(2, BLI_strnlen("ü", 100));
 
   EXPECT_EQ(0, BLI_strnlen("this is a longer string", 0));
diff --git a/source/blender/blenloader/intern/readblenentry.cc b/source/blender/blenloader/intern/readblenentry.cc
index 96b36d5192e..5b225966c81 100644
--- a/source/blender/blenloader/intern/readblenentry.cc
+++ b/source/blender/blenloader/intern/readblenentry.cc
@@ -45,7 +45,7 @@
 /* local prototypes --------------------- */
 void BLO_blendhandle_print_sizes(BlendHandle *bh, void *fp);
 
-/* Access routines used by filesel. */
+/* Access routines used by file-selector. */
 
 void BLO_datablock_info_free(BLODataBlockInfo *datablock_info)
 {
diff --git a/source/blender/blenloader/intern/versioning_250.cc b/source/blender/blenloader/intern/versioning_250.cc
index 7e0897f05e3..68af5debb09 100644
--- a/source/blender/blenloader/intern/versioning_250.cc
+++ b/source/blender/blenloader/intern/versioning_250.cc
@@ -288,7 +288,7 @@ static void area_add_window_regions(ScrArea *area, SpaceLink *sl, ListBase *lb)
         SpaceGraph *sipo = (SpaceGraph *)sl;
         memcpy(&region->v2d, &sipo->v2d, sizeof(View2D));
 
-        /* init mainarea view2d */
+        /* Initialize main-area view2d. */
         region->v2d.scroll |= (V2D_SCROLL_BOTTOM | V2D_SCROLL_HORIZONTAL_HANDLES);
         region->v2d.scroll |= (V2D_SCROLL_LEFT | V2D_SCROLL_VERTICAL_HANDLES);
 
@@ -1148,7 +1148,7 @@ void blo_do_versions_250(FileData *fd, Library * /*lib*/, Main *bmain)
   }
 
   if (!MAIN_VERSION_FILE_ATLEAST(bmain, 250, 10)) {
-    /* properly initialize hair clothsim data on old files */
+    /* Properly initialize hair cloth-simulation data on old files. */
     LISTBASE_FOREACH (Object *, ob, &bmain->objects) {
       LISTBASE_FOREACH (ModifierData *, md, &ob->modifiers) {
         if (md->type == eModifierType_Cloth) {
diff --git a/source/blender/blenloader/intern/versioning_280.cc b/source/blender/blenloader/intern/versioning_280.cc
index 5147a4944de..5c675deccf2 100644
--- a/source/blender/blenloader/intern/versioning_280.cc
+++ b/source/blender/blenloader/intern/versioning_280.cc
@@ -1245,7 +1245,7 @@ static void square_roughness_node_insert(bNodeTree *ntree)
                                    bNodeSocket *fromsock,
                                    bNode *tonode,
                                    bNodeSocket *tosock) {
-    /* Add sqrt node. */
+    /* Add `sqrt` node. */
     bNode *node = nodeAddStaticNode(nullptr, ntree, SH_NODE_MATH);
     node->custom1 = NODE_MATH_POWER;
     node->locx = 0.5f * (fromnode->locx + tonode->locx);
diff --git a/source/blender/bmesh/intern/bmesh_opdefines.cc b/source/blender/bmesh/intern/bmesh_opdefines.cc
index 1e94dc4462f..34ba873fa0c 100644
--- a/source/blender/bmesh/intern/bmesh_opdefines.cc
+++ b/source/blender/bmesh/intern/bmesh_opdefines.cc
@@ -46,7 +46,7 @@
  * The formatting of these bmesh operators is parsed by
  * 'doc/python_api/rst_from_bmesh_opdefines.py'
  * for use in python docs, so reStructuredText may be used
- * rather than doxygen syntax.
+ * rather than DOXYGEN syntax.
  *
  * template (py quotes used because nested comments don't work
  * on all C compilers):
diff --git a/source/blender/bmesh/intern/bmesh_polygon.cc b/source/blender/bmesh/intern/bmesh_polygon.cc
index bdef2f635b8..592c8f18168 100644
--- a/source/blender/bmesh/intern/bmesh_polygon.cc
+++ b/source/blender/bmesh/intern/bmesh_polygon.cc
@@ -289,7 +289,7 @@ static int bm_vert_tri_find_unique_edge(BMVert *verts[3])
 {
 /* find the most 'unique' loop, (greatest difference to others) */
 #if 1
-  /* optimized version that avoids sqrt */
+  /* Optimized version that avoids `sqrt`. */
   float difs[3];
   for (int i_prev = 1, i_curr = 2, i_next = 0; i_next < 3; i_prev = i_curr, i_curr = i_next++) {
     const float *co = verts[i_curr]->co;
diff --git a/source/blender/bmesh/tools/bmesh_bevel.cc b/source/blender/bmesh/tools/bmesh_bevel.cc
index 4c79a0cdad0..00838f3806d 100644
--- a/source/blender/bmesh/tools/bmesh_bevel.cc
+++ b/source/blender/bmesh/tools/bmesh_bevel.cc
@@ -3582,11 +3582,11 @@ static void adjust_the_cycle_or_chain(BoundVert *vstart, bool iscycle)
 
   v = vstart;
   int i = 0;
-  /* Sqrt of factor to weight down importance of spec match. */
+  /* Square root of factor to weight down importance of spec match. */
   double weight = BEVEL_MATCH_SPEC_WEIGHT;
   EdgeHalf *eleft, *eright, *enextleft;
   do {
-    /* Except at end of chain, v's indep variable is offset_r of v->efirst. */
+    /* Except at end of chain, v's indep variable is offset_r of `v->efirst`. */
     if (iscycle || i < np - 1) {
       eright = v->efirst;
       eleft = v->elast;
@@ -5292,7 +5292,7 @@ static BMEdge *snap_edge_for_center_vmesh_vert(int i,
  * interpolates in the current boundvert's frep [= interpolation face] or the next one's.
  * Similarly, when n is odd, the center row (ring ns2) is ambiguous as to
  * whether it interpolates in the current boundvert's frep or the previous one's.
- * Parameter frep_beats_next should have an array of size n_bndv of bools
+ * Parameter frep_beats_next should have an array of size n_bndv of booleans
  * that say whether the tie should be broken in favor of the next boundvert's
  * frep (if true) or the current one's.
  * For vertices in the center polygon (when ns is odd), the snapping edge depends
@@ -7306,12 +7306,12 @@ static void find_even_superellipse_chords_general(int seg, float r, double *xval
 }
 
 /**
- * Find equidistant points (x0,y0), (x1,y1)... (xn,yn) on the superellipse
+ * Find equidistant points `(x0,y0), (x1,y1)... (xn,yn)` on the superellipse
  * function in the first quadrant. For special profiles (linear, arc,
  * rectangle) the point can be calculated easily, for any other profile a more
  * expensive search procedure must be used because there is no known closed
  * form for equidistant parametrization.
- * xvals and yvals should be size n+1.
+ * `xvals` and `yvals` should be size `n+1`.
  */
 static void find_even_superellipse_chords(int n, float r, double *xvals, double *yvals)
 {
diff --git a/source/blender/bmesh/tools/bmesh_decimate_dissolve.cc b/source/blender/bmesh/tools/bmesh_decimate_dissolve.cc
index a54231d6a97..6b601d44fb8 100644
--- a/source/blender/bmesh/tools/bmesh_decimate_dissolve.cc
+++ b/source/blender/bmesh/tools/bmesh_decimate_dissolve.cc
@@ -389,7 +389,7 @@ void BM_mesh_decimate_dissolve_ex(BMesh *bm,
       earray[i] = e_iter;
     }
     /* Remove all edges/verts left behind from dissolving,
-     * nullptr'ing the vertex array so we don't re-use. */
+     * nulling the vertex array so we don't re-use. */
     for (i = bm->totedge - 1; i != -1; i--) {
       e_iter = earray[i];
 
diff --git a/source/blender/bmesh/tools/bmesh_path_uv.cc b/source/blender/bmesh/tools/bmesh_path_uv.cc
index 36d95bbf132..1d38e29dc3d 100644
--- a/source/blender/bmesh/tools/bmesh_path_uv.cc
+++ b/source/blender/bmesh/tools/bmesh_path_uv.cc
@@ -126,7 +126,7 @@ LinkNode *BM_mesh_calc_path_uv_vert(BMesh *bm,
   BMFace *f;
 
   /* NOTE: would pass BM_EDGE except we are looping over all faces anyway. */
-  // BM_mesh_elem_index_ensure(bm, BM_LOOP); // NOT NEEDED FOR FACETAG
+  // BM_mesh_elem_index_ensure(bm, BM_LOOP); /* NOTE: not needed for facetag. */
 
   BM_ITER_MESH (f, &viter, bm, BM_FACES_OF_MESH) {
     BMLoop *l_first = BM_FACE_FIRST_LOOP(f);
@@ -556,7 +556,7 @@ LinkNode *BM_mesh_calc_path_uv_face(BMesh *bm,
   const void *const f_endpoints[2] = {f_src, f_dst};
 
   /* NOTE: would pass BM_EDGE except we are looping over all faces anyway. */
-  // BM_mesh_elem_index_ensure(bm, BM_LOOP); // NOT NEEDED FOR FACETAG
+  // BM_mesh_elem_index_ensure(bm, BM_LOOP); /* NOTE: not needed for facetag. */
 
   {
     BMFace *f;
diff --git a/source/blender/compositor/operations/COM_InpaintOperation.cc b/source/blender/compositor/operations/COM_InpaintOperation.cc
index d6cb75c7e0b..f075bc062a2 100644
--- a/source/blender/compositor/operations/COM_InpaintOperation.cc
+++ b/source/blender/compositor/operations/COM_InpaintOperation.cc
@@ -179,7 +179,7 @@ void InpaintSimpleOperation::pix_step(int x, int y)
             weight = 1.0f;
           }
           else {
-            weight = M_SQRT1_2; /* 1.0f / sqrt(2) */
+            weight = M_SQRT1_2; /* `1.0f / sqrt(2)`. */
           }
 
           madd_v3_v3fl(pix, this->get_pixel(x_ofs, y_ofs), weight);
diff --git a/source/blender/draw/engines/eevee_next/eevee_instance.cc b/source/blender/draw/engines/eevee_next/eevee_instance.cc
index 24e26d84561..2b075e2d5ed 100644
--- a/source/blender/draw/engines/eevee_next/eevee_instance.cc
+++ b/source/blender/draw/engines/eevee_next/eevee_instance.cc
@@ -357,8 +357,8 @@ void Instance::render_read_result(RenderLayer *render_layer, const char *view_na
         BLI_mutex_lock(&render->update_render_passes_mutex);
         /* WORKAROUND: We use texture read to avoid using a frame-buffer to get the render result.
          * However, on some implementation, we need a buffer with a few extra bytes for the read to
-         * happen correctly (see GLTexture::read()). So we need a custom memory allocation. */
-        /* Avoid memcpy(), replace the pointer directly. */
+         * happen correctly (see #GLTexture::read()). So we need a custom memory allocation. */
+        /* Avoid `memcpy()`, replace the pointer directly. */
         RE_pass_set_buffer_data(rp, result);
         BLI_mutex_unlock(&render->update_render_passes_mutex);
       }
diff --git a/source/blender/draw/engines/overlay/overlay_extra.cc b/source/blender/draw/engines/overlay/overlay_extra.cc
index 1218fc84722..89591e1cfa0 100644
--- a/source/blender/draw/engines/overlay/overlay_extra.cc
+++ b/source/blender/draw/engines/overlay/overlay_extra.cc
@@ -671,8 +671,8 @@ void OVERLAY_light_cache_populate(OVERLAY_Data *vedata, Object *ob)
      * `y = (1/sqrt(1 + x^2) - a)/((1 - a) b)`
      * x being the tangent of the angle between the light direction and the generatrix of the cone.
      * We solve the case where spot attenuation y = 1 and y = 0
-     * root for y = 1 is sqrt(1/c^2 - 1)
-     * root for y = 0 is sqrt(1/a^2 - 1)
+     * root for y = 1 is `sqrt(1/c^2 - 1)`.
+     * root for y = 0 is `sqrt(1/a^2 - 1)`
      * and use that to position the blend circle. */
     float a = cosf(la->spotsize * 0.5f);
     float b = la->spotblend;
diff --git a/source/blender/editors/interface/interface_handlers.cc b/source/blender/editors/interface/interface_handlers.cc
index a870528045b..4f450b28db7 100644
--- a/source/blender/editors/interface/interface_handlers.cc
+++ b/source/blender/editors/interface/interface_handlers.cc
@@ -4700,12 +4700,12 @@ static int ui_do_but_TEX(
     if (ELEM(event->type, LEFTMOUSE, EVT_BUT_OPEN, EVT_PADENTER, EVT_RETKEY) &&
         event->val == KM_PRESS) {
       if (ELEM(event->type, EVT_PADENTER, EVT_RETKEY) && !UI_but_is_utf8(but)) {
-        /* pass - allow filesel, enter to execute */
+        /* Pass, allow file-selector, enter to execute. */
       }
       else if (ELEM(but->emboss, UI_EMBOSS_NONE, UI_EMBOSS_NONE_OR_STATUS) &&
                ((event->modifier & KM_CTRL) == 0))
       {
-        /* pass */
+        /* Pass. */
       }
       else {
         if (!ui_but_extra_operator_icon_mouse_over_get(but, data->region, event)) {
diff --git a/source/blender/editors/space_action/action_edit.cc b/source/blender/editors/space_action/action_edit.cc
index f89dec3d5eb..c0c737ee128 100644
--- a/source/blender/editors/space_action/action_edit.cc
+++ b/source/blender/editors/space_action/action_edit.cc
@@ -712,7 +712,7 @@ void ACTION_OT_paste(wmOperatorType *ot)
       "frame";
 
   /* api callbacks */
-  //  ot->invoke = WM_operator_props_popup; // better wait for action redo panel
+  //  ot->invoke = WM_operator_props_popup; /* Better wait for action redo panel. */
   ot->get_description = actkeys_paste_description;
   ot->exec = actkeys_paste_exec;
   ot->poll = ED_operator_action_active;
diff --git a/source/blender/editors/space_view3d/space_view3d.cc b/source/blender/editors/space_view3d/space_view3d.cc
index 783a5ca22ad..5cfa7622577 100644
--- a/source/blender/editors/space_view3d/space_view3d.cc
+++ b/source/blender/editors/space_view3d/space_view3d.cc
@@ -448,7 +448,7 @@ static void view3d_main_region_init(wmWindowManager *wm, ARegion *region)
   keymap = WM_keymap_ensure(wm->defaultconf, "Grease Pencil Paint Mode", 0, 0);
   WM_event_add_keymap_handler(&region->handlers, keymap);
 
-  /* editfont keymap swallows all... */
+  /* Edit-font key-map swallows almost all (because of text input). */
   keymap = WM_keymap_ensure(wm->defaultconf, "Font", 0, 0);
   WM_event_add_keymap_handler(&region->handlers, keymap);
 
diff --git a/source/blender/geometry/intern/uv_pack.cc b/source/blender/geometry/intern/uv_pack.cc
index 5f504576c50..14f420b2f92 100644
--- a/source/blender/geometry/intern/uv_pack.cc
+++ b/source/blender/geometry/intern/uv_pack.cc
@@ -277,8 +277,7 @@ void PackIsland::finalize_geometry_(const UVPackIsland_Params &params, MemArena
    * computing convex hull.
    * In the future, we might also detect special-cases for speed or efficiency, such as
    * rectangle approximation, circle approximation, detecting if the shape has any holes,
-   * analysing the shape for rotational symmetry or removing overlaps.
-   */
+   * analyzing the shape for rotational symmetry or removing overlaps. */
   BLI_assert(triangle_vertices_.size() >= 3);
 
   calculate_pre_rotation_(params);
@@ -1329,7 +1328,7 @@ static uv_phi find_best_fit_for_island(const PackIsland *island,
   const float bitmap_scale = 1.0f / occupancy.bitmap_scale_reciprocal;
 
   /* TODO: If `target_aspect_y != 1.0f`, to avoid aliasing issues, we should probably iterate
-   * seperately on `scan_line_x` and `scan_line_y`. See also: Bresenham's algorithm. */
+   * Separately on `scan_line_x` and `scan_line_y`. See also: Bresenham's algorithm. */
   const float sqrt_target_aspect_y = sqrtf(target_aspect_y);
   const int scan_line_x = int(scan_line * sqrt_target_aspect_y);
   const int scan_line_y = int(scan_line / sqrt_target_aspect_y);
diff --git a/source/blender/gpu/shaders/common/gpu_shader_test_lib.glsl b/source/blender/gpu/shaders/common/gpu_shader_test_lib.glsl
index 15512f2cdfa..54b4747c74c 100644
--- a/source/blender/gpu/shaders/common/gpu_shader_test_lib.glsl
+++ b/source/blender/gpu/shaders/common/gpu_shader_test_lib.glsl
@@ -1,5 +1,5 @@
 
-// clang-format off
+/* clang-format off */
 #ifndef GPU_METAL
 bool is_integer(bool v) { return true; }
 #endif
@@ -78,7 +78,7 @@ uint to_type(mat3x4 v) { return TEST_TYPE_MAT3X4; }
 uint to_type(mat4x2 v) { return TEST_TYPE_MAT4X2; }
 uint to_type(mat4x3 v) { return TEST_TYPE_MAT4X3; }
 uint to_type(mat4x4 v) { return TEST_TYPE_MAT4X4; }
-// clang-format on
+/* clang-format on */
 
 #define WRITE_MATRIX(v) \
   TestOutputRawData raw; \
@@ -113,7 +113,7 @@ uint to_type(mat4x4 v) { return TEST_TYPE_MAT4X4; }
   raw.data[0] = uint(v); \
   return raw;
 
-// clang-format off
+/* clang-format off */
 #ifndef GPU_METAL
 TestOutputRawData as_raw_data(bool v) { WRITE_INT_SCALAR(v); }
 #endif
@@ -138,7 +138,7 @@ TestOutputRawData as_raw_data(mat3x4 v) { WRITE_MATRIX(v); }
 TestOutputRawData as_raw_data(mat4x2 v) { WRITE_MATRIX(v); }
 TestOutputRawData as_raw_data(mat4x3 v) { WRITE_MATRIX(v); }
 TestOutputRawData as_raw_data(mat4x4 v) { WRITE_MATRIX(v); }
-// clang-format on
+/* clang-format on */
 
 int g_test_id = 0;
 
diff --git a/source/blender/io/collada/EffectExporter.cpp b/source/blender/io/collada/EffectExporter.cpp
index 6d02ede6331..a412ea3429a 100644
--- a/source/blender/io/collada/EffectExporter.cpp
+++ b/source/blender/io/collada/EffectExporter.cpp
@@ -210,9 +210,11 @@ void EffectsExporter::operator()(Material *ma, Object *ob)
   set_transparency(ep, ma);
 
   /* TODO: */
-  // set_shininess(ep, ma); shininess not supported for lambert
-  // set_ambient(ep, ma);
-  // set_specular(ep, ma);
+#if 0
+  set_shininess(ep, ma); /* Shininess not supported for lambert. */
+  set_ambient(ep, ma);
+  set_specular(ep, ma);
+#endif
 
   get_images(ma, material_image_map);
   std::string active_uv(getActiveUVLayerName(ob));
diff --git a/source/blender/io/collada/MaterialExporter.h b/source/blender/io/collada/MaterialExporter.h
index 397d6192f74..fbc7f3ed0d0 100644
--- a/source/blender/io/collada/MaterialExporter.h
+++ b/source/blender/io/collada/MaterialExporter.h
@@ -36,7 +36,7 @@ class MaterialsExporter : COLLADASW::LibraryMaterials {
   BCExportSettings &export_settings;
 };
 
-// used in forEachMaterialInScene
+/* Used in `forEachMaterialInScene`. */
 template<class Functor> class ForEachMaterialFunctor {
   std::vector<std::string>
       mMat; /* contains list of material names, to avoid duplicate calling of f */
diff --git a/source/blender/makesdna/DNA_boid_types.h b/source/blender/makesdna/DNA_boid_types.h
index 6de123a1959..620c5c8dfcc 100644
--- a/source/blender/makesdna/DNA_boid_types.h
+++ b/source/blender/makesdna/DNA_boid_types.h
@@ -109,7 +109,7 @@ typedef struct BoidData {
   short state_id, mode;
 } BoidData;
 
-// planned for near future
+/* Planned for near future. */
 // typedef enum BoidConditionMode {
 //  eBoidConditionType_Then = 0,
 //  eBoidConditionType_And = 1,
@@ -161,7 +161,7 @@ typedef struct BoidState {
   float volume, falloff;
 } BoidState;
 
-// planned for near future
+/* Planned for near future. */
 // typedef struct BoidSignal {
 //  struct BoidSignal *next, *prev;
 //  float loc[3];
diff --git a/source/blender/modifiers/intern/MOD_array.cc b/source/blender/modifiers/intern/MOD_array.cc
index 226faa8f2af..9f3bcab82af 100644
--- a/source/blender/modifiers/intern/MOD_array.cc
+++ b/source/blender/modifiers/intern/MOD_array.cc
@@ -159,7 +159,7 @@ static void dm_mvert_map_doubles(int *doubles_map,
                                  const int source_verts_num,
                                  const float dist)
 {
-  const float dist3 = (float(M_SQRT3) + 0.00005f) * dist; /* Just above sqrt(3) */
+  const float dist3 = (float(M_SQRT3) + 0.00005f) * dist; /* Just above `sqrt(3)`. */
   int i_source, i_target, i_target_low_bound, target_end, source_end;
   SortVertsElem *sve_source, *sve_target, *sve_target_low_bound;
   bool target_scan_completed;
diff --git a/source/blender/modifiers/intern/MOD_hook.cc b/source/blender/modifiers/intern/MOD_hook.cc
index 85cf5a7ffa7..fa63977657c 100644
--- a/source/blender/modifiers/intern/MOD_hook.cc
+++ b/source/blender/modifiers/intern/MOD_hook.cc
@@ -177,7 +177,7 @@ static float hook_falloff(const HookData_cb *hd, const float len_sq)
       goto finally;
     }
     else if (hd->falloff_type == eHook_Falloff_InvSquare) {
-      /* avoid sqrt below */
+      /* Avoid `sqrt` below. */
       fac = 1.0f - (len_sq / hd->falloff_sq);
       goto finally;
     }
diff --git a/source/blender/modifiers/intern/MOD_screw.cc b/source/blender/modifiers/intern/MOD_screw.cc
index 810f582e0bf..5a70d290595 100644
--- a/source/blender/modifiers/intern/MOD_screw.cc
+++ b/source/blender/modifiers/intern/MOD_screw.cc
@@ -532,7 +532,7 @@ static Mesh *modify_mesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh
           vc->e[0] = vc->e[1] = nullptr;
           vc->v[0] = vc->v[1] = SV_UNUSED;
 
-          /* Length in 2D, don't sqrt because this is only for comparison. */
+          /* Length in 2D, don't `sqrt` because this is only for comparison. */
           vc->dist_sq = vc->co[other_axis_1] * vc->co[other_axis_1] +
                         vc->co[other_axis_2] * vc->co[other_axis_2];
 
diff --git a/source/blender/modifiers/intern/MOD_surfacedeform.cc b/source/blender/modifiers/intern/MOD_surfacedeform.cc
index 1d7eda277f2..db39f102894 100644
--- a/source/blender/modifiers/intern/MOD_surfacedeform.cc
+++ b/source/blender/modifiers/intern/MOD_surfacedeform.cc
@@ -697,7 +697,7 @@ BLI_INLINE SDefBindWeightData *computeBindWeights(SDefBindCalcData *const data,
           bpoly->point_edgemid_angles[1] = max_ff(0, point_angles[1]);
 
           /* Compute the distance scale for the corner. The base value is the orthogonal
-           * distance from the corner to the chord, scaled by sqrt(2) to preserve the old
+           * distance from the corner to the chord, scaled by `sqrt(2)` to preserve the old
            * values in case of a square grid. This doesn't use the centroid because the
            * LOOPTRI method only uses these three vertices. */
           bpoly->scale_mid = area_tri_v2(vert0_v2, corner_v2, vert1_v2) /