Update README.md

Author: JingShing

README.md

@@ -85,6 +85,10 @@ You can get this exe on itch.io : https://jingshing.itch.io/pixel-art-filter
 * Add video rendering window.
   * You can press 'Q' to stop rendering video now
 
+## Ver1.6.3
+
+* Windows size will limit in a scope. -> it will be limited in 800 X 600
+
 ## Usage
 You can click pic to watch vid.
 [![Usage](https://img.youtube.com/vi/HpTbwjZv2y0/maxresdefault.jpg)](https://youtu.be/HpTbwjZv2y0)