Removed second mention of json. This fixes #290

docs/api.rst

@@ -119,12 +119,6 @@ Incoming Request Data
       Libraries that do that are prototype, jQuery and Mochikit and
       probably some more.
 
-   .. attribute:: json
-
-      Contains the parsed body of the JSON request if the mimetype of
-      the incoming data was `application/json`.  This requires Python 2.6
-      or an installed version of simplejson.
-
 .. class:: request
 
    To access incoming request data, you can use the global `request`

flask/wrappers.py

@@ -91,7 +91,9 @@ class Request(RequestBase):
     @cached_property
     def json(self):
         """If the mimetype is `application/json` this will contain the
-        parsed JSON data.
+        parsed JSON data.  Otherwise this will be `None`.
+
+        This requires Python 2.6 or an installed version of simplejson.
         """
         if __debug__:
             _assert_have_json()