diff --git a/subpathauto.module b/subpathauto.module
index ea5802c..4a4aecb 100644
--- a/subpathauto.module
+++ b/subpathauto.module
@@ -20,7 +20,6 @@ function subpathauto_menu() {
  * Implements hook_url_inbound_alter().
  */
 function subpathauto_url_inbound_alter(&$path, $original_path, $language) {
-
   // If the current menu item exists at this path, then we should not continue
   // processing.
   //
@@ -43,12 +42,20 @@ function subpathauto_url_inbound_alter(&$path, $original_path, $language) {
 }
 
 /**
- * This is a re-write of the menu_get_item api function but with the code that
- * triggers menu_rebuild() stripped out. This is to avoid triggering the theme
- * layer too early in the bootstrap. Please use menu_get_item where appropriate
- * instead of this function.
+ * Lightweight alternative to menu_get_item().
+ *
+ * This is a re-write of the menu_get_item API function but with the code that
+ * triggers menu_rebuild() stripped out, for the sole purpose of avoiding
+ * triggering the theme layer too early in the bootstrap. Note: menu_get_item()
+ * should still be used instead of this function unless the theme specifically
+ * should not be loaded.
+ *
+ * @param string $path
+ *   The path; for example, 'node/5'. The function will find the corresponding
+ *   node/% item and return that. Defaults to the current path.
  *
  * @see menu_get_item()
+ * @see subpathauto_url_inbound_alter()
  */
 function subpathauto_lightweight_menu_get_item($path) {
   $original_map = arg(NULL, $path);