Update pip.md

Author: HotNoob

documentation/installation/pip.md

@@ -1,7 +1,13 @@
 https://pypi.org/project/python-protocol-gateway/
 
-``` pip install python-protocol-gateway==1.1.9 ```
+```
+pip install python-protocol-gateway==1.1.9
+```
 
 usage:
-``` ppg ```
-``` ppg config.cfg```
+```
+ppg
+```
+```
+ppg config.cfg
+```