diff --git a/setup.py b/setup.py
index b390a44..1305b97 100644
--- a/setup.py
+++ b/setup.py
@@ -66,8 +66,10 @@ def run(self):
     name=package_name,
     version=VERSION,
     license='Apache 2.0',
-    description='A multiple parties joint, distributed execution engine based on Ray,'
-    'to help build your own federated learning frameworks in minutes.',
+    description=(
+        'A multiple parties joint, distributed execution engine based on Ray,'
+        'to help build your own federated learning frameworks in minutes.'
+    ),
     long_description=long_description,
     long_description_content_type='text/markdown',
     author='RayFed Team',