mgcp_e1: rewrite comment

Change-Id: I5e6db4e29ae4af1ec790a4e8b201930206cc5828
diff --git a/src/libosmo-mgcp/mgcp_e1.c b/src/libosmo-mgcp/mgcp_e1.c
index f7636b4..80a48ab 100644
--- a/src/libosmo-mgcp/mgcp_e1.c
+++ b/src/libosmo-mgcp/mgcp_e1.c
@@ -309,7 +309,7 @@
 	return;
 }
 
-/* Function to handle outgoing E1 traffic */
+/* handle outgoing E1 traffic */
 static void e1_send(struct e1inp_ts *ts, struct mgcp_trunk *trunk)
 {
 	struct msgb *msg = msgb_alloc_c(trunk, E1_TS_BYTES, "E1-TX-timeslot-bytes");