diff --git a/setup.py b/setup.py
index 2135614..9ada839 100644
--- a/setup.py
+++ b/setup.py
@@ -62,7 +62,7 @@ setup(
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3 :: Only'
+        'Programming Language :: Python :: 3 :: Only',
         'Topic :: Communications :: Chat :: Internet Relay Chat',
         'Topic :: Software Development :: Testing',
         ],