Cleanup: Fix typo in comment.

source/blender/editors/interface/interface_layout.c

@@ -651,7 +651,7 @@ static void ui_item_array(uiLayout *layout,
       uiDefAutoButR(block, ptr, prop, -1, "", ICON_NONE, 0, 0, w, UI_UNIT_Y);
     }
     else {
-      /* even if 'expand' is fale, expanding anyway */
+      /* Even if 'expand' is false, we expand anyway. */
 
       /* layout for known array subtypes */
       char str[3] = {'\0'};