diff --git a/data/ui/Export.ui b/data/ui/Export.ui
index 011d433..0c8dffa 100644
--- a/data/ui/Export.ui
+++ b/data/ui/Export.ui
@@ -426,7 +426,7 @@
         <property name="receives_default">True</property>
         <property name="has_tooltip">True</property>
         <property name="relief">none</property>
-        <property name="uri">http://johnmacfarlane.net/pandoc/README.html</property>
+        <property name="uri">https://pandoc.org/MANUAL.html</property>
       </object>
       <packing>
         <property name="left_attach">0</property>
diff --git a/uberwriter/application.py b/uberwriter/application.py
index 3d0c2e6..67f0e85 100644
--- a/uberwriter/application.py
+++ b/uberwriter/application.py
@@ -208,8 +208,7 @@ class Application(Gtk.Application):
     def on_help(self, _action, _param):
         """open pandoc markdown web
         """
-        webbrowser.open(
-            "http://johnmacfarlane.net/pandoc/README.html#pandocs-markdown")
+        webbrowser.open("https://pandoc.org/MANUAL.html#pandocs-markdown")
 
     def on_shortcuts(self, _action, _param):
         builder = get_builder('Shortcuts')