Formatted all pages according to guidelines.

pages/common/pip.md

@@ -1,27 +1,27 @@
 # pip
 
-> Python package manager
+> Python package manager.
 
-- Install a package
+- Install a package:
 
 `pip install {{package_name}}`
 
-- Install a specific version of a package
+- Install a specific version of a package:
 
 `pip install {{package_name}}=={{package_version}}`
 
-- Upgrade a package
+- Upgrade a package:
 
 `pip install -U {{package_name}}`
 
-- Uninstall a package
+- Uninstall a package:
 
 `pip uninstall {{package_name}}`
 
-- Save installed packages to file
+- Save installed packages to file:
 
 `pip freeze > {{requirements.txt}}`
 
-- Install packages from file
+- Install packages from file:
 
 `pip install -r {{requirements.txt}}`