Fix formatting

Author: imidigitaldev

README.md

@@ -22,8 +22,9 @@ You can also use dockerized shifts.
 2. Obtain a GitHub token and store it in `.github_token`
 3. Run composer install
 4. Symlink shifter.php  
-    
-    sudo ln -s `realpath shifter.php` /usr/local/bin/shifter
+   ```    
+   sudo ln -s `realpath shifter.php` /usr/local/bin/shifter
+   ```
 
 
 For each project you want to shift