diff --git a/example.cfg b/example.cfg
index c9a7b6a..ef3553b 100644
--- a/example.cfg
+++ b/example.cfg
@@ -106,4 +106,4 @@ url = https://owncloud.example.com/remote.php/caldav/calendars/bob/
 #end_date = datetime.now() + timedelta(days=365)
 
 # For more storage types and examples, check out the documentation at
-# https://vdirsyncer.rtfd.org
+# https://vdirsyncer.readthedocs.org