Remove unprintable char

Author: ale-rt

docs/about.rst

@@ -30,7 +30,7 @@ Two libraries are especially inspiring:
 
 `Requests <http://docs.python-requests.org>`_
   If you look at the documentation for this library, or see `the comparison between the urllib2 way and the requests way <https://gist.github.com/973705>`_, you can see a parallel for Plone regarding the way we *have been* versus the way we *should be* writing code.
-  At the very least, we should have the option of being able to write such clean code.
+  At the very least, we should have the option of being able to write such clean code.
 
 The API provides grouped functional access to otherwise distributed logic in Plone.
 This distribution is a result of two historical factors: reuse of CMF- and Zope-methods, and reasonable but hard to remember splits like `acl_users` and `portal_memberdata`.