Update README.md

README.md

@@ -26,9 +26,9 @@ Installation for Users
   $ python setup.py install
 ```
 
-```sh
 Usage
 -----
+```sh
 usage: webdavacc [-h] [-v] -u USERNAME -p PASSWORD [-a ARGUMENTS] [-t PORT]
                  [-r PROTOCOL] -c COMMAND
                  server