diff --git a/src/lib/elementary/efl_ui_win.eo b/src/lib/elementary/efl_ui_win.eo
index 8c6ef11d57..0fc81928a5 100644
--- a/src/lib/elementary/efl_ui_win.eo
+++ b/src/lib/elementary/efl_ui_win.eo
@@ -623,6 +623,8 @@ class Efl.Ui.Win (Elm.Widget, Efl.Canvas, Elm.Interface.Atspi.Window,
 
            Note that this option may be overriden by environment variables
            or the configuration option "accel_preference_override".
+
+           @since 1.18
          ]]
          values {
             accel: string;