code cleanup: spelling

source/blender/python/mathutils/mathutils_Color.c

@@ -147,7 +147,7 @@ static PyObject *Color_str(ColorObject *self)
 }
 
 //------------------------tp_richcmpr
-//returns -1 execption, 0 false, 1 true
+//returns -1 exception, 0 false, 1 true
 static PyObject *Color_richcmpr(PyObject *a, PyObject *b, int op)
 {
 	PyObject *res;

source/blender/python/mathutils/mathutils_Matrix.c

@@ -2443,7 +2443,7 @@ PyObject *Matrix_CreatePyObject_cb(PyObject *cb_user,
 
 
 /* ----------------------------------------------------------------------------
- * special type for alaternate access */
+ * special type for alternate access */
 
 typedef struct {
 	PyObject_HEAD /* required python macro   */

source/blender/python/mathutils/mathutils_Vector.c

@@ -1864,7 +1864,7 @@ static double vec_magnitude_nosqrt(float *data, int size)
 
 
 /*------------------------tp_richcmpr
- * returns -1 execption, 0 false, 1 true */
+ * returns -1 exception, 0 false, 1 true */
 static PyObject *Vector_richcmpr(PyObject *objectA, PyObject *objectB, int comparison_type)
 {
 	VectorObject *vecA = NULL, *vecB = NULL;
@@ -2908,7 +2908,7 @@ PyObject *Vector_CreatePyObject(float *vec, const int size, const int type, PyTy
 			}
 			else { /* new empty */
 				fill_vn_fl(self->vec, size, 0.0f);
-				if (size == 4) { /* do the homogenous thing */
+				if (size == 4) {  /* do the homogeneous thing */
 					self->vec[3] = 1.0f;
 				}
 			}