diff --git a/resources/lang/en/admin/categories/message.php b/resources/lang/en/admin/categories/message.php
index 48cf5478e..4e493f68b 100644
--- a/resources/lang/en/admin/categories/message.php
+++ b/resources/lang/en/admin/categories/message.php
@@ -13,7 +13,8 @@ return array(
 
     'update' => array(
         'error'   => 'Category was not updated, please try again',
-        'success' => 'Category updated successfully.'
+        'success' => 'Category updated successfully.',
+        'cannot_change_category_type'   => 'You cannot change the category type once it has been created',
     ),
 
     'delete' => array(