diff --git a/notebook/static/notebook/js/actions.js b/notebook/static/notebook/js/actions.js
index f9fcfcbb1..3b4fe8ba4 100644
--- a/notebook/static/notebook/js/actions.js
+++ b/notebook/static/notebook/js/actions.js
@@ -949,7 +949,7 @@ define([
 
     ActionHandler.prototype.get_name = function(name_or_data){
         /**
-         * given an `action` or `name` of a action, return the name attached to this action.
+         * given an `action` or `name` of an action, return the name attached to this action.
          * if given the name of and corresponding actions does not exist in registry, return `null`.
          **/
 
diff --git a/notebook/static/notebook/js/outputarea.js b/notebook/static/notebook/js/outputarea.js
index b91681a74..219cee29f 100644
--- a/notebook/static/notebook/js/outputarea.js
+++ b/notebook/static/notebook/js/outputarea.js
@@ -114,7 +114,7 @@ define([
         if (threshold <=0) {
             return false;
         }
-        // line-height from http://stackoverflow.com/questions/1185151
+        // line-height from https://stackoverflow.com/questions/1185151
         var fontSize = this.element.css('font-size') || '14px';
         var lineHeight = Math.floor((parseFloat(fontSize.replace('px','')) || 14) * 1.3);
         return (this.element.height() > threshold * lineHeight);
@@ -399,7 +399,7 @@ define([
             // Once the iframe is loaded, the subarea is dynamically inserted
             iframe.on('load', function() {
                 // Workaround needed by Firefox, to properly render svg inside
-                // iframes, see http://stackoverflow.com/questions/10177190/
+                // iframes, see https://stackoverflow.com/questions/10177190/
                 // svg-dynamically-added-to-iframe-does-not-render-correctly
                 this.contentDocument.open();
 
diff --git a/notebook/static/notebook/js/quickhelp.js b/notebook/static/notebook/js/quickhelp.js
index 6d41ba620..85724992e 100644
--- a/notebook/static/notebook/js/quickhelp.js
+++ b/notebook/static/notebook/js/quickhelp.js
@@ -80,7 +80,7 @@ define([
     var mac_humanize_map = {
         // all these are unicode, will probably display badly on anything except macs.
         // these are the standard symbol that are used in MacOS native menus
-        // cf http://apple.stackexchange.com/questions/55727/
+        // cf https://apple.stackexchange.com/questions/55727/
         // for htmlentities and/or unicode value
         'cmd':'⌘',
         'shift':'⇧',
diff --git a/notebook/static/notebook/js/textcell.js b/notebook/static/notebook/js/textcell.js
index bc58ed5f4..965938d32 100644
--- a/notebook/static/notebook/js/textcell.js
+++ b/notebook/static/notebook/js/textcell.js
@@ -491,7 +491,7 @@ define([
         // The dragleave event is fired when we hover a child element (which
         // is often immediatly after we got the dragenter), so we keep track
         // of the number of dragenter/dragleave we got, as discussed here :
-        // http://stackoverflow.com/q/7110353/116067
+        // https://stackoverflow.com/q/7110353/116067
         // This doesn't seem to be 100% reliable, so we clear the dropzone
         // class when the cell is rendered as well
         this.code_mirror.on("dragenter", function(cm, evt) {