fixed markup errors
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst
index bee2619..19c6ce7 100644
--- a/Doc/whatsnew/2.7.rst
+++ b/Doc/whatsnew/2.7.rst
@@ -750,7 +750,7 @@
global site-packages directories, and
:func:`getusersitepackages` returns the path of the user's
site-packages directory.
- :func:`getuserbase` returns the value of the :envvar:``USER_BASE``
+ :func:`getuserbase` returns the value of the :envvar:`USER_BASE`
environment variable, giving the path to a directory that can be used
to store data.
(Contributed by Tarek Ziade; :issue:`6693`.)