[Python-checkins] Fix typo in contextvars docs (GH-98823)

[miss-islington]

https://github.com/python/cpython/commit/85f88f63d96b07208c98a725391af7cb710fe06b
commit: 85f88f63d96b07208c98a725391af7cb710fe06b
branch: 3.10
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2022-10-28T14:19:43-07:00
summary:

Fix typo in contextvars docs (GH-98823)

(cherry picked from commit 72fa57a8fe2e9df637170dc97f994ac70931e8e9)

Co-authored-by: cburroughs <chris.burroughs at gmail.com>

files:
M Doc/library/contextvars.rst

diff --git a/Doc/library/contextvars.rst b/Doc/library/contextvars.rst
index be1dd0c9eb57..08a7c7d74eab 100644
--- a/Doc/library/contextvars.rst
+++ b/Doc/library/contextvars.rst
@@ -110,7 +110,7 @@ Context Variables
 
       A read-only property.  Set to the value the variable had before
       the :meth:`ContextVar.set` method call that created the token.
-      It points to :attr:`Token.MISSING` is the variable was not set
+      It points to :attr:`Token.MISSING` if the variable was not set
       before the call.
 
    .. attribute:: Token.MISSING