diff --git a/nixos/modules/services/amqp/rabbitmq.nix b/nixos/modules/services/amqp/rabbitmq.nix
index 780d5daded9..61545a5acba 100644
--- a/nixos/modules/services/amqp/rabbitmq.nix
+++ b/nixos/modules/services/amqp/rabbitmq.nix
@@ -65,7 +65,7 @@ in {
         type = types.str;
         description = ''
           Verbatim configuration file contents.
-          See http://www.rabbitmq.com/configure.htm
+          See http://www.rabbitmq.com/configure.html
         '';
       };