diff --git a/examples/features/authz/token/token.go b/examples/features/authz/token/token.go
index 8447c1399..4899f3b08 100644
--- a/examples/features/authz/token/token.go
+++ b/examples/features/authz/token/token.go
@@ -16,6 +16,8 @@
  *
  */
 
+// Package token implements an example of authorization token encoding/decoding
+// that can be used in RPC headers.
 package token
 
 import (