diff --git a/llm-api/plan_router.py b/llm-api/plan_router.py
index 2465c18..33da8b9 100644
--- a/llm-api/plan_router.py
+++ b/llm-api/plan_router.py
@@ -1,4 +1,4 @@
--*- coding: utf-8 -*-
+#-*- coding: utf-8 -*-
 """
 plan_router.py – v0.9.0 (WP-15)