Issue #25523: Further a-to-an corrections.
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst
index fb0551e..3966cb4 100644
--- a/Doc/whatsnew/2.7.rst
+++ b/Doc/whatsnew/2.7.rst
@@ -1118,7 +1118,7 @@
   (Fixed by Daniel Stutzbach; :issue:`8729`.)
 
 * Constructors for the parsing classes in the :mod:`ConfigParser` module now
-  take a *allow_no_value* parameter, defaulting to false; if true,
+  take an *allow_no_value* parameter, defaulting to false; if true,
   options without values will be allowed.  For example::
 
     >>> import ConfigParser, StringIO