Upping version

rtv/__version__.py

@@ -1,4 +1,4 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-__version__ = '1.20.0'
+__version__ = '1.21.0'

rtv/config.py

@@ -34,6 +34,7 @@ def build_parser():
     parser = argparse.ArgumentParser(
         prog='rtv', description=docs.SUMMARY,
         epilog=docs.CONTROLS,
+        usage=docs.USAGE,
         formatter_class=argparse.RawDescriptionHelpFormatter)
     parser.add_argument(
         'link', metavar='URL', nargs='?',

rtv/docs.py

@@ -7,7 +7,14 @@ desktop:https://github.com/michael-lazar/rtv:{version}\
 """
 
 SUMMARY = """
-Reddit Terminal Viewer is a lightweight browser for https://www.reddit.com
+RTV (Reddit Terminal Viewer) is a terminal interface to view and interact with reddit.
+"""
+
+USAGE = """\
+rtv [URL] [-s SUBREDDIT]
+
+  $ rtv https://www.reddit.com/r/programming/comments/7h9l31
+  $ rtv -s linux
 """
 
 CONTROLS = """