Update signature style for optional arguments, part 3.
diff --git a/Doc/library/constants.rst b/Doc/library/constants.rst
index 39d61cb..b9b3671 100644
--- a/Doc/library/constants.rst
+++ b/Doc/library/constants.rst
@@ -61,8 +61,8 @@
built-in namespace. They are useful for the interactive interpreter shell and
should not be used in programs.
-.. data:: quit([code=None])
- exit([code=None])
+.. data:: quit(code=None)
+ exit(code=None)
Objects that when printed, print a message like "Use quit() or Ctrl-D
(i.e. EOF) to exit", and when called, raise :exc:`SystemExit` with the