diff --git a/src/modules/style.ts b/src/modules/style.ts
index d046603..763d4be 100755
--- a/src/modules/style.ts
+++ b/src/modules/style.ts
@@ -6,6 +6,7 @@ export type VNodeStyle = Record<string, string> & {
   remove?: Record<string, string>
 }
 
+// Bindig `requestAnimationFrame` like this fixes a bug in IE/Edge. See #360 and #409.
 var raf = (typeof window !== 'undefined' && (window.requestAnimationFrame).bind(window)) || setTimeout;
 var nextFrame = function(fn: any) { raf(function() { raf(fn); }); };
 var reflowForced = false;