Update browser support to match CE polyfill

muan · muan · commit a37b1177e438 · 2018-01-16T14:03:33.000+08:00
diff --git a/README.md b/README.md
@@ -83,6 +83,6 @@ A proxy may attempt to fetch and replace the fragment if the request finishes be
 
 - Chrome
 - Firefox
-- Safari 6.1+
-- Internet Explorer 9+
+- Safari 9+
+- Internet Explorer 11+
 - Microsoft Edge
