Refactor README

Author: atishdhu

README.md

@@ -112,7 +112,7 @@ the `pdfjs-dist` name. For more information and examples please refer to the
 + Access server at `http://localhost:8888/web/viewer.html`
 
 ## Lint
-+ To fix lint errors, run the following commands:
+To fix lint errors, run the following commands:
 
 ``` bash
 mutagen-compose run pdfjs bash