Merge pull request #3566 from jcugat/announcement-typo

Fix announcement link typo

Author: jpadilla

docs/topics/3.3-announcement.md

@@ -36,7 +36,7 @@ This brings our supported versions into line with Django's [currently supported
 
 The AJAX based support for the browsable API means that there are a number of internal cleanups in the `request` class. For the vast majority of developers this should largely remain transparent:
 
-* To support form based `PUT` and `DELETE`, or to support form content types such as JSON, you should now use the [AJAX forms][ajax-forms] javascript library. This replaces the previous 'method and content type overloading' that required significant internal complexity to the request class.
+* To support form based `PUT` and `DELETE`, or to support form content types such as JSON, you should now use the [AJAX forms][ajax-form] javascript library. This replaces the previous 'method and content type overloading' that required significant internal complexity to the request class.
 * The `accept` query parameter is no longer supported by the default content negotiation class. If you require it then you'll need to [use a custom content negotiation class](browser-enhancements.md#url-based-accept-headers).
 *  The custom `HTTP_X_HTTP_METHOD_OVERRIDE` header is no longer supported by default. If you require it then you'll need to [use custom middleware](browser-enhancements.md#http-header-based-method-overriding).