diff --git a/nixos/modules/services/misc/etcd.nix b/nixos/modules/services/misc/etcd.nix
index 1de02d76ba0..7c91462883f 100644
--- a/nixos/modules/services/misc/etcd.nix
+++ b/nixos/modules/services/misc/etcd.nix
@@ -119,7 +119,7 @@ in {
     extraConf = mkOption {
       description = ''
         Etcd extra configuration. See
-        <link xlink:href='https://github.com/coreos/etcd/blob/master/Documentation/configuration.md#environment-variables' />
+        <link xlink:href='https://github.com/coreos/etcd/blob/master/Documentation/op-guide/configuration.md#configuration-flags' />
       '';
       type = types.attrsOf types.str;
       default = {};