diff -u b/modules/help/help.module b/modules/help/help.module
--- b/modules/help/help.module
+++ b/modules/help/help.module
@@ -64,10 +64,10 @@
 /**
  * Title callback: Returns the machine name of the module.
  *
- * @param $name
+ * @param string $name
  *   The machine name of the module, taken as a wildcard from the URL.
  *
- * @return
+ * @return string
  *   An unsanitized string that is the machine name of the module.
  *
  * @see help_menu()