docs: decorate method name

Author: kenjis

user_guide_src/source/outgoing/view_parser.rst

@@ -102,7 +102,7 @@ Parser Configuration Options
 
 Several options can be passed to the ``render()`` or ``renderString()`` methods.
 
--   ``cache`` - the time in seconds, to save a view's results; ignored for renderString()
+-   ``cache`` - the time in seconds, to save a view's results; ignored for ``renderString()``
 -   ``cache_name`` - the ID used to save/retrieve a cached view result; defaults to the viewpath;
     ignored for renderString()
 -   ``saveData`` - true if the view data parameters should be retained for subsequent calls;