diff --git a/manual/edit.rst b/manual/edit.rst
index 18d070c97b..bd34b46b25 100644
--- a/manual/edit.rst
+++ b/manual/edit.rst
@@ -33,8 +33,8 @@ a list of files on the left. These are the individual HTML files, stylesheets,
 images, etc. that make up the content of the book. Simply double click on a
 file to start editing it. Note that if you want to do anything more
 sophisticated than making a few small tweaks, you will need to know `HTML
-Tutorial <http://html.net/tutorials/html/>`_ and `CSS Tutorial
-<http://html.net/tutorials/css/>`_.
+Tutorial <https://www.w3schools.com/Html/default.asp>`_ and `CSS Tutorial
+<https://www.w3schools.com/css/default.asp>`_.
 
 As you make changes to the HTML or CSS in the editor, the changes will be
 previewed, live, in the preview panel to the right. When you are happy with how