diff --git a/doc/config.rst b/doc/config.rst
index ad72a8192b..b8b45a70e7 100644
--- a/doc/config.rst
+++ b/doc/config.rst
@@ -1359,7 +1359,7 @@ Server connection settings
     An associative array of session cookie parameters of other authentication system.
     It is not needed if the other system doesn't use session_set_cookie_params().
     Keys should include 'lifetime', 'path', 'domain', 'secure' or 'httponly'.
-    Valid values are mentioned in `session_get_cookie_params <https://php.net/manual/en/
+    Valid values are mentioned in `session_get_cookie_params <https://secure.php.net/manual/en/
     function.session-get-cookie-params.php>`_, they should be set to same values as the
     other application uses. Takes effect only if
     :config:option:`$cfg['Servers'][$i]['SignonScript']` is not configured.