Update README.md

Author: designerror

README.md

@@ -30,9 +30,9 @@ $ sudo easy_install webdavclient
 > macOS
 
 ```bash
-curl https://bootstrap.pypa.io/ez_setup.py -o - | python
-python setup.py install --prefix=/opt/setuptools
-sudo easy_install webdavclient
+$ curl https://bootstrap.pypa.io/ez_setup.py -o - | python
+$ python setup.py install --prefix=/opt/setuptools
+$ sudo easy_install webdavclient
 ```
 
 **Update**