Append the --help text to README

README.md

@@ -1,3 +1,36 @@
 # flacinfo
 
 A script analoguous to `mp3info`, but for flac files.
+
+## Usage
+
+```
+usage: flacinfo [-h] [-a ARTIST] [-c COMMENT] [-g GENRE] [-l ALBUM]
+                [-m ALBUMNUMBER] [-n TRACK] [-t TITLE] [-y YEAR]
+                FILE [FILE ...]
+
+Edit flac files' metadata
+
+positional arguments:
+  FILE                  The file(s) to work on
+
+optional arguments:
+  -h, --help            show this help message and exit
+  -a ARTIST, --artist ARTIST
+                        Specify artist name
+  -c COMMENT, --comment COMMENT
+                        Specify an arbitrary comment
+  -g GENRE, --genre GENRE
+                        Specify genre (in plain text)
+  -l ALBUM, --album ALBUM
+                        Specify album name
+  -m ALBUMNUMBER, --albumnumber ALBUMNUMBER
+                        Specify album number
+  -n TRACK, --track TRACK
+                        Specify track number
+  -t TITLE, --title TITLE
+                        Specify track title
+  -y YEAR, --year YEAR  Specify album year
+
+When no option modifying the tags is passed, the currently set tags are shown.
+```

flacinfo

@@ -37,7 +37,9 @@ class NoSuchTag(Exception):
 def argparser():
     """ Parses the arguments from sys.argv """
     parser = argparse.ArgumentParser(
-        description="Edit flac files' metadata")
+        description="Edit flac files' metadata",
+        epilog=('When no option modifying the tags is passed, the currently '
+                'set tags are shown.'))
     parser.add_argument('-a', '--artist',
                         help="Specify artist name")
     parser.add_argument('-c', '--comment',