Typo fix

Doc/whatsnew/whatsnew25.tex

@@ -352,7 +352,7 @@ implementation in a new module, \module{runpy}.
 The \module{runpy} module implements a more sophisticated import
 mechanism so that it's now possible to run modules in a package such
 as \module{pychecker.checker}.  The module also supports alternative
-import mechanisms such as the \module{zipimport} module.  (This means
+import mechanisms such as the \module{zipimport} module.  This means
 you can add a .zip archive's path to \code{sys.path} and then use the
 \programopt{-m} switch to execute code from the archive.