diff --git a/modules/home-manager/coding/agents/pi.nix b/modules/home-manager/coding/agents/pi.nix
index 6900832..4d3b0de 100644
--- a/modules/home-manager/coding/agents/pi.nix
+++ b/modules/home-manager/coding/agents/pi.nix
@@ -209,8 +209,8 @@
           options = {
             enable =
               mkEnableOption
-              "Generate ~/.pi/agent/extensions/guardrails.json for pi-guardrails. "
-              + "Adds @aliou/pi-guardrails to packages automatically.";
+              ("Generate ~/.pi/agent/extensions/guardrails.json for pi-guardrails. "
+                + "Adds @aliou/pi-guardrails to packages automatically.");
 
             config = mkOption {
               type = types.attrsOf types.anything;