diff --git a/ModCharts.md b/ModCharts.md
index 3dcadee..6726e3e 100644
--- a/ModCharts.md
+++ b/ModCharts.md
@@ -70,7 +70,7 @@ function update (elapsed)
 	else
         for i=0,7 do
             setActorX(_G['defaultStrum'..i..'X'],i)
-            setActorX(_G['defaultStrum'..i..'Y'],i)
+            setActorY(_G['defaultStrum'..i..'Y'],i)
         end
     end
 end