docs: efl_canvas_object: document last missing part

diff --git a/src/lib/evas/canvas/efl_canvas_object_event_grabber.eo b/src/lib/evas/canvas/efl_canvas_object_event_grabber.eo
index 24b1bf4..6d4a15a 100644 (file)
--- a/src/lib/evas/canvas/efl_canvas_object_event_grabber.eo
+++ b/src/lib/evas/canvas/efl_canvas_object_event_grabber.eo
@@ -24,7 +24,7 @@ class Efl.Canvas.Object.Event.Grabber (Efl.Canvas.Group)
       @property freeze_when_visible {
          [[Stops the grabber from updating its internal stacking order while visible]]
          values {
-            set: bool;
+            set: bool; [[If $true, stop updating]]
          }
          set {}
          get {}