Fix typo.
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index ae2f207..f06e934 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -60,7 +60,7 @@
         sys.stderr = savestderr
         self.assert_(err.getvalue().endswith("ValueError: 42\n"))
 
-    # FIXME: testing the code for a lost or replace excepthook in
+    # FIXME: testing the code for a lost or replaced excepthook in
     # Python/pythonrun.c::PyErr_PrintEx() is tricky.
 
     def test_exit(self):