diff --git a/notebook/static/notebook/js/notebook.js b/notebook/static/notebook/js/notebook.js
index 268c39275..e10f33798 100644
--- a/notebook/static/notebook/js/notebook.js
+++ b/notebook/static/notebook/js/notebook.js
@@ -2703,7 +2703,7 @@ import {ShortcutEditor} from 'notebook/js/shortcuteditor';
                 " Selecting trust will immediately reload this notebook in a trusted state."
             ).append(
                 " For more information, see the "
-            ).append($("<a>").attr("href", "http://ipython.org/ipython-doc/2/notebook/security.html")
+            ).append($("<a>").attr("href", "https://jupyter-notebook.readthedocs.io/en/latest/security.html")
                 .text("Jupyter security documentation")
             ).append(".")
         );
diff --git a/notebook/static/services/kernels/kernel.js b/notebook/static/services/kernels/kernel.js
index 95f51398c..284892396 100644
--- a/notebook/static/services/kernels/kernel.js
+++ b/notebook/static/services/kernels/kernel.js
@@ -657,7 +657,7 @@ define([
          *
          * When calling this method, pass a callback function that expects one argument.
          * The callback will be passed the complete `kernel_info_reply` message documented
-         * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#kernel-info)
+         * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#kernel-info)
          */
         var callbacks;
         if (callback) {
@@ -675,7 +675,7 @@ define([
          *
          * When calling this method, pass a callback function that expects one argument.
          * The callback will be passed the complete `comm_info_reply` message documented
-         * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#comm_info)
+         * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#comm_info)
          */
         var callbacks;
         if (callback) {
@@ -693,7 +693,7 @@ define([
          *
          * When calling this method, pass a callback function that expects one argument.
          * The callback will be passed the complete `inspect_reply` message documented
-         * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#object-information)
+         * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#object-information)
          *
          * @function inspect
          * @param code {string}
@@ -784,7 +784,7 @@ define([
      * `complete_reply` message as its only argument when it arrives.
      *
      * `complete_reply` is documented
-     * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#complete)
+     * [here](https://jupyter-client.readthedocs.io/en/latest/messaging.html#complete)
      *
      * @function complete
      * @param code {string}