Issue #27895:  Spelling fixes (Contributed by Ville Skyttä).
diff --git a/Lib/test/test_urllib.py b/Lib/test/test_urllib.py
index c26c52a..247598a 100644
--- a/Lib/test/test_urllib.py
+++ b/Lib/test/test_urllib.py
@@ -1,4 +1,4 @@
-"""Regresssion tests for what was in Python 2's "urllib" module"""
+"""Regression tests for what was in Python 2's "urllib" module"""
 
 import urllib.parse
 import urllib.request