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-rw-r--r--engine/lib/navigation.php3
1 files changed, 3 insertions, 0 deletions
diff --git a/engine/lib/navigation.php b/engine/lib/navigation.php
index cefe40ecf..0e9ec1c17 100644
--- a/engine/lib/navigation.php
+++ b/engine/lib/navigation.php
@@ -53,6 +53,9 @@
* 'register', 'menu:<menu_name>'. If you do, you may end up with many incorrect
* links on a context-sensitive menu.
*
+ * @warning A menu item's name must be unique per menu. If more than one menu
+ * item with the same name are registered, the last menu item takes priority.
+ *
* @see elgg_view_menu() for the plugin hooks available for modifying a menu as
* it is being rendered.
*