diff --git a/home.md b/home.md
index a7dad24..cd19730 100644
--- a/home.md
+++ b/home.md
@@ -49,6 +49,7 @@ enum DisplayTextSetParameter
     ColorParameter,
     AlignmentParameter,
     ScrollParameter,
+    ScrollDirectionParameter,
     ScrollSpeedParameter,
     ScrollCountParameter,
     IndexParameter,