Update README.md

Author: RedEdge967

README.md

@@ -23,7 +23,7 @@ A markdown editor playground with preview panel written in Angular with html5, c
 - Run `Index.html` on your browser
 
 ![MDown Editor](https://user-images.githubusercontent.com/91379432/155248594-05ffaa5e-29d4-4935-b681-ebdfd2ba8796.png)
-*Used https://browserframe.com to make the upper image.
+*Used https://browserframe.com to make the upper image.*
 
 # Can I Contribute?
 - Sure. Open an issue, point out errors and what not? wanna fix something yourself, open a PR and I appreciate it.