add program description

whalebot-helmsman · whalebot-helmsman · commit d42dcea40b8c · 2017-09-15T11:19:17.000+03:00
diff --git a/webstruct/annotation_converter.py b/webstruct/annotation_converter.py
@@ -6,7 +6,8 @@
 
 
 def main():
-    cmdline = argparse.ArgumentParser()
+    cmdline = argparse.ArgumentParser(description=('utility to convert annotations'
+                                                   'from GATE format to WebAnnotator format'))
     cmdline.add_argument('--input',
                          help='path to source annotated file',
                          type=str,
