diff --git a/docs/zint.1.pmd b/docs/zint.1.pmd
index 6c85d97b..de084542 100644
--- a/docs/zint.1.pmd
+++ b/docs/zint.1.pmd
@@ -462,7 +462,7 @@ Please send bug reports to https://sourceforge.net/p/zint/tickets/.
 
 Full documention for `zint` (and the API `libzint` and the GUI `zint-qt`) is available from
 
-        http://zint.org.uk/Manual.aspx
+        https://zint.org.uk/manual/
 
 and at