Cleanup: spelling in comments

source/blender/python/intern/bpy_app.c

@@ -559,7 +559,7 @@ PyObject *BPY_app_struct(void)
   BlenderAppType.tp_hash = (hashfunc)
       _Py_HashPointer; /* without this we can't do set(sys.modules) T29635. */
 
-  /* kindof a hack ontop of PyStructSequence */
+  /* Kind of a hack on top of #PyStructSequence. */
   py_struct_seq_getset_init();
   py_struct_seq_method_init();
 

source/blender/python/intern/bpy_library_load.c

@@ -108,7 +108,7 @@ static PyTypeObject bpy_lib_Type = {
     NULL, /* ternaryfunc tp_call; */
     NULL, /* reprfunc tp_str; */
 
-    /* will only use these if this is a subtype of a py class */
+    /* Will only use these if this is a sub-type of a Python class. */
     PyObject_GenericGetAttr, /* getattrofunc tp_getattro; */
     NULL,                    /* setattrofunc tp_setattro; */
 

source/blender/python/intern/bpy_rna.c

@@ -1397,7 +1397,7 @@ PyObject *pyrna_prop_to_py(PointerRNA *ptr, PropertyRNA *prop)
 
       buf = RNA_property_string_get_alloc(ptr, prop, buf_fixed, sizeof(buf_fixed), &buf_len);
 #ifdef USE_STRING_COERCE
-      /* Only file paths get special treatment, they may contain non utf-8 chars. */
+      /* Only file paths get special treatment, they may contain non UTF-8 chars. */
       if (subtype == PROP_BYTESTRING) {
         ret = PyBytes_FromStringAndSize(buf, buf_len);
       }
@@ -6487,7 +6487,7 @@ static PyObject *pyrna_func_doc_get(BPy_FunctionRNA *self, void *UNUSED(closure)
 PyTypeObject pyrna_struct_meta_idprop_Type = {
     PyVarObject_HEAD_INIT(NULL, 0) "bpy_struct_meta_idprop", /* tp_name */
 
-    /* NOTE: would be PyTypeObject, but subtypes of Type must be PyHeapTypeObject's. */
+    /* NOTE: would be PyTypeObject, but sub-types of Type must be PyHeapTypeObject's. */
     sizeof(PyHeapTypeObject), /* tp_basicsize */
 
     0, /* tp_itemsize */
@@ -7308,7 +7308,7 @@ static PyObject *pyrna_srna_PyBase(StructRNA *srna)  //, PyObject *bpy_types_dic
   if (base && base != srna) {
     // printf("debug subtype %s %p\n", RNA_struct_identifier(srna), srna);
     py_base = pyrna_srna_Subtype(base);  //, bpy_types_dict);
-    Py_DECREF(py_base);                  /* Srna owns, this is only to pass as an arg. */
+    Py_DECREF(py_base);                  /* `srna` owns, this is only to pass as an argument. */
   }
 
   if (py_base == NULL) {
@@ -8846,7 +8846,7 @@ static void bpy_class_free(void *pyob_ptr)
 }
 
 /**
- * \note This isn't essential to run on startup, since subtypes will lazy initialize.
+ * \note This isn't essential to run on startup, since sub-types will lazy initialize.
  * But keep running in debug mode so we get immediate notification of bad class hierarchy
  * or any errors in "bpy_types.py" at load time, so errors don't go unnoticed.
  */

source/blender/python/intern/bpy_rna.h

@@ -218,11 +218,13 @@ void pyrna_struct_type_extend_capi(struct StructRNA *srna,
                                    struct PyMethodDef *py_method,
                                    struct PyGetSetDef *py_getset);
 
-/* called before stopping python */
+/* Called before stopping Python. */
+
 void pyrna_alloc_types(void);
 void pyrna_free_types(void);
 
-/* primitive type conversion */
+/* Primitive type conversion. */
+
 int pyrna_py_to_array(
     PointerRNA *ptr, PropertyRNA *prop, char *param_data, PyObject *py, const char *error_prefix);
 int pyrna_py_to_array_index(PointerRNA *ptr,

source/blender/python/intern/bpy_rna_data.c

@@ -86,7 +86,7 @@ static PyTypeObject bpy_rna_data_context_Type = {
     NULL, /* ternaryfunc tp_call; */
     NULL, /* reprfunc tp_str; */
 
-    /* will only use these if this is a subtype of a py class */
+    /* Will only use these if this is a sub-type of a Python class. */
     NULL, /* getattrofunc tp_getattro; */
     NULL, /* setattrofunc tp_setattro; */
 

source/blender/python/intern/bpy_traceback.c

@@ -25,7 +25,7 @@ static const char *traceback_filepath(PyTracebackObject *tb, PyObject **coerce)
   return PyBytes_AS_STRING(*coerce);
 }
 
-/* copied from pythonrun.c, 3.10.0 */
+/* Copied from `pythonrun.c`, 3.10.0 */
 _Py_static_string(PyId_string, "<string>");
 
 static int parse_syntax_error(PyObject *err,