diff --git a/README.md b/README.md
index f0d572fc..ae3426f1 100644
--- a/README.md
+++ b/README.md
@@ -1324,6 +1324,7 @@ Frequently Asked Questions
 ==========================
 
 where is the vsync option?
+https://board.byuu.org/viewtopic.php?p=43305#p43305
 
 exclusive full-screen?