diff --git a/sc2/src/sc2code/displist.c b/sc2/src/sc2code/displist.c
index ff7b9d4d7..53f4be154 100644
--- a/sc2/src/sc2code/displist.c
+++ b/sc2/src/sc2code/displist.c
@@ -78,6 +78,7 @@ UninitQueue (QUEUE *pq)
 #endif /* QUEUE_TABLE */
 }
 
+// Empty the queue. The elements linked to in the queue are unchanged.
 void
 ReinitQueue (QUEUE *pq)
 {