diff --git a/src/libmsc/ran_msg_a.c b/src/libmsc/ran_msg_a.c
index 24740a7..c9a13a2 100644
--- a/src/libmsc/ran_msg_a.c
+++ b/src/libmsc/ran_msg_a.c
@@ -104,7 +104,7 @@
 		.id = cil.id_list[0],
 	};
 
-	/* Parse Layer 3 Information element */
+	/* Parse Layer 3 Information element; point ran_dec_msg->compl_l3.msg to the L3 Info data */
 	msg->l3h = (uint8_t*)ie_l3_info->val;
 	msgb_l3trim(msg, ie_l3_info->len);