diff --git a/lib/examples/custom-websocket/main.go b/lib/examples/custom-websocket/main.go
index 488ed83b..3c334aba 100644
--- a/lib/examples/custom-websocket/main.go
+++ b/lib/examples/custom-websocket/main.go
@@ -1,3 +1,4 @@
+// Package main ...
 package main
 
 import (