diff --git a/includes/menu.inc b/includes/menu.inc
index a3121c739ce00faeb812385757ca16d8def6c264..f4241221deab2c354737fcef26d77122caab8ee7 100644
--- a/includes/menu.inc
+++ b/includes/menu.inc
@@ -13,7 +13,10 @@
  * The Drupal menu system drives both the navigation system from a user
  * perspective and the callback system that Drupal uses to respond to URLs
  * passed from the browser. For this reason, a good understanding of the
- * menu system is fundamental to the creation of complex modules.
+ * menu system is fundamental to the creation of complex modules. As a note,
+ * this is related to, but separate from menu.module, which allows menus
+ * (which in this context are hierarchical lists of links) to be customized from
+ * the Drupal administrative interface.
  *
  * Drupal's menu system follows a simple hierarchy defined by paths.
  * Implementations of hook_menu() define menu items and assign them to
diff --git a/modules/menu/menu.module b/modules/menu/menu.module
index ec41c2f3e2827131b07d921b828f859b0765d7c1..3edf158df1447644a3a03eca12df4119046a60ca 100644
--- a/modules/menu/menu.module
+++ b/modules/menu/menu.module
@@ -2,7 +2,13 @@
 
 /**
  * @file
- * Allows administrators to customize the site navigation menu.
+ * Allows administrators to customize the site's navigation menus.
+ *
+ * A menu (in this context) is a hierarchical collection of links, generally
+ * used for navigation. This is not to be confused with the
+ * @link menu Menu system @endlink of menu.inc and hook_menu(), which defines
+ * page routing requests for Drupal, and also allows the defined page routing
+ * URLs to be added to the main site navigation menu.
  */
 
 /**