cosmetic: context_map_tmr_cb(): fix comment

Change-Id: I4dd07a4d09d3cd4dc2a08e42ee48344967e5e3a6
diff --git a/src/context_map.c b/src/context_map.c
index dca276a..dc555bf 100644
--- a/src/context_map.c
+++ b/src/context_map.c
@@ -157,7 +157,7 @@
 			map->state = MAP_S_RESERVED2;
 			break;
 		case MAP_S_RESERVED2:
-			/* first time we see this reserved
+			/* second time we see this reserved
 			 * entry: remove it */
 			map->state = MAP_S_NULL;
 			llist_del(&map->cn_list);