Fix grammar and reflow
diff --git a/Lib/test/test_file.py b/Lib/test/test_file.py
index fe3bb92..4698936 100644
--- a/Lib/test/test_file.py
+++ b/Lib/test/test_file.py
@@ -314,8 +314,8 @@
 
 
 def test_main():
-    # Historically, these tests have sloppy about removing TESTFN.  So get
-    # rid of it no matter what.
+    # Historically, these tests have been sloppy about removing TESTFN.
+    # So get rid of it no matter what.
     try:
         run_unittest(AutoFileTests, OtherFileTests)
     finally: