Fix doc typo

Author: wlsf82

README.md

@@ -9,7 +9,7 @@ Sample project to demonstrate how to interact with [Material UI](https://mui.com
 
 It is required to have git, Node.js and npm installed to clone and run this project.
 
-> I used versions `2.34.1`, `v18.15.0`, and `9.5.0.` of git, Node.js and npm, respectively. I suggest you use the same or later LTS versions.
+> I used versions `2.34.1`, `v18.15.0`, and `9.5.0` of git, Node.js and npm, respectively. I suggest you use the same or later LTS versions.
 
 ## Installation