Update README

Author: JingMatrix

README.md

@@ -112,6 +112,8 @@ One can disable it through the `Developer options` menu.
 
 ChromeXt adds a book icon in the page menu to enable reader (distiller) mode manually.
 
+This function is not available in `Brave` browser for unknown reason.
+
 ### AD Blocker solution
 
 For blocking network requests, I recommend to use `AdAway` or any proxy AD Blocker such as `clash`.