Typo repair.
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index 460a77f..90883e2 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -1,4 +1,4 @@
-# test_pick and test_cpickle both use this.
+# test_pickle and test_cpickle both use this.
 
 # break into multiple strings to please font-lock-mode
 DATA = """(lp0