diff --git a/src/README.sources b/src/README.sources
index 702842b..be2ec7c 100644
--- a/src/README.sources
+++ b/src/README.sources
@@ -71,6 +71,10 @@ parse_qc.c
 	Parses and possibly generates a new Q construct, or modifies
 	an existing one. Called by incoming.c.
 
+messaging.c
+	Contains utility functions for processing received APRS text
+	messages and generating new messages.
+
 clientlist.c
 	Clientlist contains a list of connected clients, along with their
 	verification status. It is updated when clients connect or disconnect,
diff --git a/src/messaging.c b/src/messaging.c
index 7138ebf..92950ed 100644
--- a/src/messaging.c
+++ b/src/messaging.c
@@ -1,4 +1,18 @@
 
+/*
+ *     aprsc
+ *
+ *     (c) Heikki Hannikainen, OH7LZB
+ *
+ *     This program is licensed under the BSD license, which can be found
+ *     in the file LICENSE.
+ *
+ *
+ *     The messaging module implements utility functions for processing and
+ *     generating APRS messages.
+ */
+
+
 #include <stdlib.h>
 #include <stdarg.h>
 #include <stdio.h>