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`.)