diff -r 0eb7958cea3a Doc/library/token.rst
--- a/Doc/library/token.rst	Fri Nov 13 12:29:14 2015 -0500
+++ b/Doc/library/token.rst	Fri Nov 13 19:34:22 2015 +0100
@@ -97,10 +97,15 @@
           RARROW
           ELLIPSIS
           OP
+          AWAIT
+          ASYNC
           ERRORTOKEN
           N_TOKENS
           NT_OFFSET
 
+   .. versionchanged:: 3.5
+      Temporarily add :data:`AWAIT` and :data:`ASYNC` constants. They will be
+      removed in version 3.7.
 
 .. seealso::