Update README.md

Author: chris1111

README.md

@@ -30,6 +30,8 @@ This tool is for create OpenCore Themes. create this set of Icon at the good siz
 ### Release V2 Update 03 Sept 2020 Prompt to destination for the ZIP file
 ![EN](https://user-images.githubusercontent.com/6248794/92121680-8d6a0880-edc8-11ea-96a4-7630a7ca6e51.png)
 
+## Use it in Light mode for optimal use
+
 View full Video ⬇︎
 
 [![Modular Image Creation](https://i.ibb.co/K5bFrB5/VIDEO.png)](https://youtu.be/omiG6Dp5DQw)