Cleanup: spelling in comments

source/blender/python/intern/bpy_rna_array.c

@@ -567,7 +567,7 @@ static int py_to_array(PyObject *seq,
      * python data, the check here is mainly for completeness. */
     if (copy_values(seq, ptr, prop, 0, data, item_size, NULL, convert_item, NULL) != NULL) {
       if (param_data == NULL) {
-        /* NULL can only pass through in case RNA property arraylength is 0 (impossible?) */
+        /* NULL can only pass through in case RNA property array-length is 0 (impossible?) */
         rna_set_array(ptr, prop, data);
         PyMem_FREE(data);
       }