diff --git a/nixos/modules/services/networking/corerad.nix b/nixos/modules/services/networking/corerad.nix
index 4acdd1d69cc4..e76ba9a2d00d 100644
--- a/nixos/modules/services/networking/corerad.nix
+++ b/nixos/modules/services/networking/corerad.nix
@@ -37,7 +37,7 @@ in {
         }
       '';
       description = ''
-        Configuration for CoreRAD, see <link xlink:href="https://github.com/mdlayher/corerad/blob/master/internal/config/default.toml"/>
+        Configuration for CoreRAD, see <link xlink:href="https://github.com/mdlayher/corerad/blob/main/internal/config/reference.toml"/>
         for supported values. Ignored if configFile is set.
       '';
     };