diff --git a/identd/identd.go b/identd/identd.go
index db4b258..9a3c086 100644
--- a/identd/identd.go
+++ b/identd/identd.go
@@ -1,3 +1,6 @@
+// Package identd implements an Identification Protocol server.
+//
+// The Identification Protocol is defined in RFC 1413.
 package identd
 
 import (