Reword a section

Author: mpdude

http_client.rst

@@ -2293,11 +2293,11 @@ cannot be resolved or the host was unreachable. The
 
 In order to test errors that occur while a response is being streamed
 (that is, after the headers have already been received), provide the
-response as one of the iterable ``body`` parts from
-your ``MockResponse`` instance. You can either use an exception
-directly, or yield the exception from a callback. For exceptions of
-this kind, ``getStatusCode()`` may indicate a success (200), but
-accessing ``getContent()`` fails.
+exception to ``MockResponse`` as part of the ``body``
+parameter. You can either use an exception directly, or yield the
+exception from a callback. For exceptions of this kind,
+``getStatusCode()`` may indicate a success (200), but accessing
+``getContent()`` fails.
 
 The following example code illustrates all three options.