diff --git a/notebook/static/custom/custom.js b/notebook/static/custom/custom.js
index 05aa9ae20d..6a9e946332 100644
--- a/notebook/static/custom/custom.js
+++ b/notebook/static/custom/custom.js
@@ -40,7 +40,7 @@
  *            IPython.toolbar.add_buttons_group([
  *                {
  *                    'label'   : 'run qtconsole',
- *                    'icon'    : 'icon-terminal', // select your icon from http://fortawesome.github.io/Font-Awesome/icons
+ *                    'icon'    : 'fa-terminal', // select your icon from http://fortawesome.github.io/Font-Awesome/icons
  *                    'callback': function () {
  *                        IPython.notebook.kernel.execute('%qtconsole')
  *                    }