Fixed broken link in 1.7 release notes due to removal of deprecated c…

…ode/docs.

docs/releases/1.7.txt

@@ -1472,7 +1472,7 @@ If all you need is to generate valid javascript strings, you can simply use
 ``fix_ampersands`` utils method and template filter
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The ``django.utils.html.fix_ampersands`` method and the :tfilter:`fix_ampersands`
+The ``django.utils.html.fix_ampersands`` method and the ``fix_ampersands``
 template filter are deprecated, as the escaping of ampersands is already taken care
 of by Django's standard HTML escaping features. Combining this with ``fix_ampersands``
 would either result in double escaping, or, if the output is assumed to be safe,