--- a/Documentation/Source/eric6.UI.Previewers.PreviewerHTML.html	Mon Oct 23 19:41:35 2017 +0200
+++ b/Documentation/Source/eric6.UI.Previewers.PreviewerHTML.html	Mon Oct 23 19:42:17 2017 +0200
@@ -543,9 +543,8 @@
                 Class is placed here, because it depends on imported markdown,
                 and markdown import is lazy.
 </p><p>
-                (see http://achinghead.com/
-                python-markdown-adding-insert-delete.html this page for
-                details)
+                (see https://pythonhosted.org/Markdown/extensions/api.html
+                this page for details)
 </p>
 <h3>Derived from</h3>
 markdown.Extension