[gnome-shell] layout: Reword a comment

[Jasper St. Pierre <jstpierre src gnome org>]

commit 641794d45859329852f699b9bb41511650371879
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sun Feb 17 14:10:45 2013 -0500

    layout: Reword a comment
    
    I don't even know what this was trying to say before...

 js/ui/layout.js |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/layout.js b/js/ui/layout.js
index 29c3f0e..1a9a328 100644
--- a/js/ui/layout.js
+++ b/js/ui/layout.js
@@ -1186,7 +1186,8 @@ const PressureBarrier = new Lang.Class({
 
         let isOverview = ((Main.keybindingMode & (Shell.KeyBindingMode.OVERVIEW)) != 0);
 
-        // Throw out events where the grab is taken by the overview visible
+        // Throw out events where the grab is taken by something that's
+        // not the overview (modal dialogs, etc.)
         if (event.grabbed && !isOverview)
             return;