Merge pull request realpython#426 from Locker537/cli_fixes

Minor improvements to 'Command Line Applications' docs

Author: sigmavirus24

docs/scenarios/cli.rst

@@ -1,37 +1,37 @@
-Command Line Applications
+Command-line Applications
 =========================
 
-.. todo:: Explain "Command Line Applications"
+.. todo:: Explain "Command-line Applications"
 
 Clint
 -----
 
-`clint <https://pypi.python.org/pypi/clint/>`_ is a python module which is 
-filled with very useful tools for developing commandline applications.
+`clint <https://pypi.python.org/pypi/clint/>`_ is a python module which is
+filled with very useful tools for developing command-line applications.
 It supports features such as; CLI Colors and Indents, Simple and Powerful
 Column Printer, Iterator based progress bar and Implicit argument handling.
 
 Click
 -----
 
-`click <http://click.pocoo.org/>`_ is an upcoming Python package for creating command
-line interfaces in a composable way with as little amount of code as 
-necessary. It’s the “Command Line Interface Creation Kit”. It’s highly 
+`click <http://click.pocoo.org/>`_ is an upcoming Python package for creating
+command-line interfaces in a composable way with as little amount of code as
+necessary. It’s the “Command-line Interface Creation Kit”. It’s highly
 configurable but comes with good defaults out of the box.
 
 docopt
 ------
 
 `docopt <http://docopt.org/>`_ is a lightweight, highly Pythonic package that
-allows creating command line interfaces easily and intuitively, by parsing
+allows creating command-line interfaces easily and intuitively, by parsing
 POSIX-style usage instructions.
 
 Plac
 ------
 
-`Plac <https://pypi.python.org/pypi/plac>`_ is a python module that allows developing command line applications. In fact 
-plac is a simple wrapper over the python standard library `argparse <http://docs.python.org/2/library/argparse.html>`_, it hides most of its 
-complexity by using a declarative interface: the argument parser is inferred 
+`Plac <https://pypi.python.org/pypi/plac>`_ is a python module that allows developing command-line applications. In fact
+plac is a simple wrapper over the python standard library `argparse <http://docs.python.org/2/library/argparse.html>`_, it hides most of its
+complexity by using a declarative interface: the argument parser is inferred
 rather than written down by imperatively. It is targetting especially unsophisticated
 users, programmers, sys-admins, scientists and in general people writing throw-away
 scripts for themselves, choosing the command-line interface because it is quick
@@ -40,7 +40,7 @@ and simple.
 Cliff
 ------
 
-`Cliff <https://cliff.readthedocs.org/en/latest>`_  is a framework for building command line programs. 
+`Cliff <https://cliff.readthedocs.org/en/latest>`_  is a framework for building command-line programs.
 It uses setuptools entry points to provide subcommands, output formatters, and other extensions. The framework
-is meant to be used to create multi-level commands such as subversion and git, where the main program handles 
+is meant to be used to create multi-level commands such as subversion and git, where the main program handles
 some basic argument parsing and then invokes a sub-command to do the work.