diff --git a/docker-compose.debug.yaml b/docker-compose.debug.yaml
index b97eae6..361ce1e 100644
--- a/docker-compose.debug.yaml
+++ b/docker-compose.debug.yaml
@@ -22,7 +22,8 @@ services:
     # Expose ports: host:container
     ports:
       - "8081:8080"     # Application port
-      - "2345:2345"     # Delve debugger port (optional)
+      # Delve: no host port — auth-debug owns 2345; attach via the container's
+      # 2345 when needed.
       # - "8081:8081"     # HTTP Dev interface