diff --git a/src/cw/dtls_gnutls_connect.c b/src/cw/dtls_gnutls_connect.c
index 094c849f..ca5eb876 100644
--- a/src/cw/dtls_gnutls_connect.c
+++ b/src/cw/dtls_gnutls_connect.c
@@ -1,4 +1,25 @@
+/*
+    This file is part of actube.
 
+    actube is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    libcapwap is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+/**
+ * @file 
+ * @brief Implements dtls_gnutls_connect
+ */
 
 #include "gnutls/dtls.h"
 
@@ -10,7 +31,10 @@
 #include "dbg.h"
 
 #include "sock.h"
-
+/**
+ * Establish a DTLS connection using gnutls library
+ * @see #dtls_connect
+ */
 int dtls_gnutls_connect(struct conn *conn)
 {
 	struct dtls_gnutls_data *d;
@@ -29,6 +53,7 @@ int dtls_gnutls_connect(struct conn *conn)
 	gnutls_dtls_set_mtu(d->session, 1500);
 
 	int rc;
+	cw_dbg(DBG_DTLS,"Starting handshake");
 	do {
 		rc = gnutls_handshake(d->session);
 	} while (rc == GNUTLS_E_AGAIN);