Fixed a couple of small documentation typos.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16086 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/contrib/humanize.txt

@@ -101,7 +101,7 @@ Examples (when 'now' is 17 Feb 2007 16:30:00):
     * ``17 Feb 2007 16:29:31`` becomes ``29 seconds ago``.
     * ``17 Feb 2007 16:29:00`` becomes ``a minute ago``.
     * ``17 Feb 2007 16:25:35`` becomes ``4 minutes ago``.
-    * ``17 Feb 2007 15:30:29`` becomes ``an hours ago``.
+    * ``17 Feb 2007 15:30:29`` becomes ``an hour ago``.
     * ``17 Feb 2007 13:31:29`` becomes ``2 hours ago``.
     * ``16 Feb 2007 13:31:29`` becomes ``yesterday``.
     * Any other day is formatted according to given argument or the

docs/ref/request-response.txt

@@ -497,7 +497,7 @@ hard-coded strings. If you use this technique, follow these guidelines:
 
     * The iterator should return strings.
     * If an :class:`HttpResponse` has been initialized with an iterator as its
-      content, you can't use the class:`HttpResponse` instance as a file-like
+      content, you can't use the :class:`HttpResponse` instance as a file-like
       object. Doing so will raise ``Exception``.
 
 Setting headers

docs/topics/db/queries.txt

@@ -75,7 +75,7 @@ The ``save()`` method has no return value.
     ``save()`` takes a number of advanced options not described here.
     See the documentation for ``save()`` for complete details.
 
-    To create an object and save it all in one step see the ```create()```
+    To create an object and save it all in one step see the ``create()``
     method.
 
 Saving changes to objects
@@ -572,7 +572,7 @@ issue the query::
 For date and date/time fields, you can add or subtract a ``datetime.timedelta``
 object.  The following would return all entries that were modified more than 3 days
 after they were published::
-   
+
     >>> from datetime import timedelta
     >>> Entry.objects.filter(mod_date__gt=F('pub_date') + timedelta(days=3))