diff --git a/doc/lua_api.md b/doc/lua_api.md
index 8b2617312..89ff226c3 100644
--- a/doc/lua_api.md
+++ b/doc/lua_api.md
@@ -3614,7 +3614,6 @@ Some types may inherit styles from parent types.
 * scrollbar
     * noclip - boolean, set to true to allow the element to exceed formspec bounds.
 * supertip
-    * noclip - boolean, set to true to allow the element to exceed formspec bounds.
     * bgcolor - color, sets background color.
     * border - boolean, draw border. Set to false to hide the bevelled tooltip pane. Default true.
     * bgimg - standard background image. Defaults to none.