Cleanup: spelling in comments

intern/cycles/integrator/denoiser.h

@@ -34,7 +34,7 @@ class Denoiser {
    *   This is checked in debug builds.
    * - The device might be MultiDevice.
    * - If Denoiser from params is not supported by provided denoise device, then Blender will
-       fallback on the OIDN CPU denoising and use provided cpu_fallback_device. */
+   *   fallback on the OIDN CPU denoising and use provided cpu_fallback_device. */
   static unique_ptr<Denoiser> create(Device *denoise_device,
                                      Device *cpu_fallback_device,
                                      const DenoiseParams &params);

intern/cycles/scene/light_tree.cpp

@@ -191,8 +191,8 @@ LightTreeEmitter::LightTreeEmitter(Scene *scene,
       const float len_v = len(lamp->get_axisv());
       const float len_w = len(lamp->get_dir());
 
-      /* As `theta_e` approaches `pi/2`, the behaviour of `atan(tan(theta_e))` can become quite
-       * unpredicatable as `tan(x)` has an asymptote at `x = pi/2`. To avoid this, we skip the back
+      /* As `theta_e` approaches `pi/2`, the behavior of `atan(tan(theta_e))` can become quite
+       * unpredictable as `tan(x)` has an asymptote at `x = pi/2`. To avoid this, we skip the back
        * and forward conversion.
        * The conversion is required to deal with scaled lights, but near `pi/2` the scaling does
        * not make a big difference in the angle, so we can skip the conversion without worrying

intern/cycles/session/buffers.h

@@ -73,7 +73,7 @@ class BufferParams : public Node {
   int height = 0;
 
   /* Windows defines which part of the buffers is visible. The part outside of the window is
-   * considered an "overscan".
+   * considered an `overscan`.
    *
    * Window X and Y are relative to the position of the buffer in the full buffer. */
   int window_x = 0;

intern/ghost/intern/GHOST_NDOFManager.cc

@@ -510,7 +510,7 @@ void GHOST_NDOFManager::updateButton(int button_number, bool press, uint64_t tim
 {
   GHOST_NDOF_ButtonT button = static_cast<GHOST_NDOF_ButtonT>(button_number);
 
-  /* For bistmask devices button maping isn't unified, therefore check the button map. */
+  /* For bit-mask devices button mapping isn't unified, therefore check the button map. */
   if (std::find(bitmask_devices_.begin(), bitmask_devices_.end(), device_type_) !=
       bitmask_devices_.end())
   {