diff --git a/scripts/setup.py b/scripts/setup.py
index <HASH>..<HASH> 100644
--- a/scripts/setup.py
+++ b/scripts/setup.py
@@ -266,7 +266,7 @@ setup(name = "gmpy2",
       classifiers = [
         'Development Status :: 3 - Alpha',
         'Intended Audience :: Developers',
-        'Intended Audience :: Science/Research'
+        'Intended Audience :: Science/Research',
         'License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)',
         'Natural Language :: English',
         'Operating System :: MacOS :: MacOS X',
add one missing comma

found by lgtm