diff --git a/nixos/modules/services/web-apps/karakeep.nix b/nixos/modules/services/web-apps/karakeep.nix
index 7867381007ac..b729e6ba74f9 100644
--- a/nixos/modules/services/web-apps/karakeep.nix
+++ b/nixos/modules/services/web-apps/karakeep.nix
@@ -34,7 +34,7 @@ in
           Environment variables to pass to Karakaeep. This is how most settings
           can be configured. Changing DATA_DIR is possible but not supported.
 
-          See <https://docs.karakeep.app/configuration/>
+          See <https://docs.karakeep.app/configuration/environment-variables>
         '';
         type = lib.types.attrsOf lib.types.str;
         default = { };