diff --git a/src/static/css/pad/toolbar.css b/src/static/css/pad/toolbar.css
index 93508ab33..414a9e909 100644
--- a/src/static/css/pad/toolbar.css
+++ b/src/static/css/pad/toolbar.css
@@ -1,5 +1,6 @@
 .toolbar {
   display: none;
+  position: relative;
   background-color: #f4f4f4;
   color: #666;
   border-bottom: 1px solid #ccc;
diff --git a/src/static/js/pad_modals.js b/src/static/js/pad_modals.js
index 18bda08da..f965bc600 100644
--- a/src/static/js/pad_modals.js
+++ b/src/static/js/pad_modals.js
@@ -44,6 +44,7 @@ var padmodals = (function()
       });
     },
     showOverlay: function() {
+      // Prevent the user to interact with the toolbar. Useful when user is disconnected for example
       $("#toolbar-overlay").show();
     },
     hideOverlay: function() {