diff --git a/rtls/config.go b/rtls/config.go
index d50626be..711d6665 100644
--- a/rtls/config.go
+++ b/rtls/config.go
@@ -1,3 +1,5 @@
+// rtls is for creating TLS configurations for use by servers and clients.
+
 package rtls
 
 import (