diff --git a/lib/CultureFeed/Cdb/Data/CategoryList.php b/lib/CultureFeed/Cdb/Data/CategoryList.php
index 3530ff6..97f31cd 100755
--- a/lib/CultureFeed/Cdb/Data/CategoryList.php
+++ b/lib/CultureFeed/Cdb/Data/CategoryList.php
@@ -31,6 +31,8 @@ public function add(CultureFeed_Cdb_Data_Category $category)
 
     /**
      * Delete a given category of the list.
+     * @deprecated Using the delete method will result in an issue when iterating,
+     * because the index aka position gets a gap and the iteration stops on the gap.
      */
     public function delete($key)
     {