minor #4448 [Book][HTTP Cache] moved inlined URL to the bottom of the file (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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[Book][HTTP Cache] moved inlined URL to the bottom of the file

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
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28137ab moved inlined URL to the bottom of the file

Author: wouterj

book/http_cache.rst

@@ -763,8 +763,7 @@ at some interval (the expiration) to verify that the content is still valid.
 .. tip::
 
     You can also define HTTP caching headers for expiration and validation by using
-    annotations. See the
-    `FrameworkExtraBundle documentation <http://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/cache.html>`_.
+    annotations. See the `FrameworkExtraBundle documentation`_.
 
 .. index::
     pair: Cache; Configuration
@@ -1127,4 +1126,5 @@ Learn more from the Cookbook
 .. _`HTTP Bis`: http://tools.ietf.org/wg/httpbis/
 .. _`P4 - Conditional Requests`: http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional
 .. _`P6 - Caching: Browser and intermediary caches`: http://tools.ietf.org/html/draft-ietf-httpbis-p6-cache
+.. _`FrameworkExtraBundle documentation`: http://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/cache.html
 .. _`ESI`: http://www.w3.org/TR/esi-lang