#6522: add a "decorator" directive to explicitly document decorators, and use it in a few places.
diff --git a/Doc/library/contextlib.rst b/Doc/library/contextlib.rst
index 18e5502..35eb882 100644
--- a/Doc/library/contextlib.rst
+++ b/Doc/library/contextlib.rst
@@ -12,7 +12,7 @@
 Functions provided:
 
 
-.. function:: contextmanager(func)
+.. decorator:: contextmanager
 
    This function is a :term:`decorator` that can be used to define a factory
    function for :keyword:`with` statement context managers, without needing to