Grammer tweak

Evan Owens · weaverryan · commit 7a75db15b8b3 · 2013-05-03T13:14:33.000-06:00
Old grammar doesn't make sense.
diff --git a/book/http_cache.rst b/book/http_cache.rst
@@ -530,8 +530,8 @@ example).
 .. tip::
 
     The 304 status code means "Not Modified". It's important because with
-    this status code do *not* contain the actual content being requested.
-    Instead, the response is simply a light-weight set of directions that
+    this status code the response does *not* contain the actual content being
+    requested. Instead, the response is simply a light-weight set of directions that
     tell cache that it should use its stored version.
 
 Like with expiration, there are two different HTTP headers that can be used
