Update README.md

Author: Huong Do

README.md

@@ -6,8 +6,8 @@ A library for quick video trimming based on `SAVideoRangeSlider`, mimicking the
 ## Note
 I've made this very quickly so here's a list of things to do for improvements (pull requests are very much appreciated!):
 - Make panning thumb views smoother
-- Make ruller view more customizable and nice
-- Bug fixes if there're any
+- Make ruller view more customizable and nicer
+- Bug fixes if any
 - More and more, can't remember right now hahha.
 
 ## Getting started