diff --git a/zulip/__init__.py b/zulip/__init__.py
index 1a0ecb6..c7cc2b0 100644
--- a/zulip/__init__.py
+++ b/zulip/__init__.py
@@ -49,7 +49,7 @@ def _default_client():
     return "ZulipPython/" + __version__
 
 def generate_option_group(parser):
-    group = optparse.OptionGroup(parser, 'API configuration')
+    group = optparse.OptionGroup(parser, 'Zulip API configuration')
     group.add_option('--site',
                      help="Zulip Enterprise server URI (if using Zulip Enterprise)",
                      default=None)