diff --git a/methods/bookmarks/bookmarks.add.json b/methods/bookmarks/bookmarks.add.json
index 30976850..f0eda291 100644
--- a/methods/bookmarks/bookmarks.add.json
+++ b/methods/bookmarks/bookmarks.add.json
@@ -57,6 +57,7 @@
     "channel_not_found": "Channel cannot be found.",
     "file_not_found": "File cannot be found.",
     "invalid_bookmark_type": "Bookmark type is not valid.",
+    "invalid_app_action_type": "App action type is not valid.",
     "invalid_shortcut_type": "Shortcut type is not valid.",
     "invalid_child_type": "Child type is not valid.",
     "invalid_emoji": "Invalid emoji, does not follow the pattern of a valid emoji name.",