diff --git a/setup.py b/setup.py
index ed311a5..a8fbd90 100644
--- a/setup.py
+++ b/setup.py
@@ -31,12 +31,12 @@ setup(
     long_description_content_type="text/x-rst",
     # The project's main homepage.
     url="https://github.com/jepler/Jepler_CircuitPython_udecimal",
-    project_urls = {
-        'Source': 'https://github.com/jepler/Jepler_CircuitPython_udecimal',
-        'Documentation': 'https://jepler-udecimal.readthedocs.io/en/latest/api/jepler_udecimal/index.html',
-        'Tracker': 'https://github.com/jepler/Jepler_CircuitPython_udecimal/issues',
-        'Pull Requests': 'https://github.com/jepler/Jepler_CircuitPython_udecimal/pulls',
-    }
+    project_urls={
+        "Source": "https://github.com/jepler/Jepler_CircuitPython_udecimal",
+        "Documentation": "https://jepler-udecimal.readthedocs.io/en/latest/api/jepler_udecimal/index.html",
+        "Tracker": "https://github.com/jepler/Jepler_CircuitPython_udecimal/issues",
+        "Pull Requests": "https://github.com/jepler/Jepler_CircuitPython_udecimal/pulls",
+    },
     # Author details
     author="Jeff Epler",
     author_email="jepler@gmail.com",