Have general 6.5/6.6 links

The 'Changes' and 'Upgrading' links are 6.6/6.5 general, not 6.6.1/6.5.2
specific

R1/source/index.rst

@@ -16,8 +16,9 @@ vulnerability when the HTTP/2 support is enabled. Please see
 2021-07-13 - Security releases: 6.0.8, 6.6.1 and 6.5.2
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Varnish versions 6.0.8, 6.6.1 and 6.5.2 are now available. These releases
-fix the vulnerability described in :ref:`VSV00007 <VSV00007>`.
+Varnish versions :ref:`6.0.8 <rel6.0.8>`, :ref:`6.6.1 <rel6.6.1>` and
+:ref:`6.5.2 <rel6.5.2>` are now available. These releases fix the
+vulnerability described in :ref:`VSV00007 <VSV00007>`.
 
 2021-07-13 - Varnish 6.0.8 is released
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

R1/source/releases/rel6.5.2.rst

@@ -13,8 +13,8 @@ version, either 6.0.8, 6.6.1 or 6.5.2.
 
 More information:
 
-* List of most important `Changes in 6.5.2 <https://varnish-cache.org/docs/6.5/whats-new/changes-6.5.html>`_
-* Help on `Upgrading to Varnish 6.5.2 <https://varnish-cache.org/docs/6.5/whats-new/upgrading-6.5.html>`_
+* List of most important `Changes in 6.5 <https://varnish-cache.org/docs/6.5/whats-new/changes-6.5.html>`_
+* Help on `Upgrading to Varnish 6.5 <https://varnish-cache.org/docs/6.5/whats-new/upgrading-6.5.html>`_
 * `Full changes.rst entry for 6.5.2 <https://github.com/varnishcache/varnish-cache/blob/6.5/doc/changes.rst#varnish-cache-652-2021-07-13>`_
 
 For installation instructions including information about cloud images see

R1/source/releases/rel6.6.1.rst

@@ -13,8 +13,8 @@ version, either 6.0.8, 6.6.1 or 6.5.2.
 
 More information:
 
-* List of most important `Changes in 6.6.1 <https://varnish-cache.org/docs/6.6/whats-new/changes-6.6.html>`_
-* Help on `Upgrading to Varnish 6.6.1 <https://varnish-cache.org/docs/6.6/whats-new/upgrading-6.6.html>`_
+* List of most important `Changes in 6.6 <https://varnish-cache.org/docs/6.6/whats-new/changes-6.6.html>`_
+* Help on `Upgrading to Varnish 6.6 <https://varnish-cache.org/docs/6.6/whats-new/upgrading-6.6.html>`_
 * `Full changes.rst entry for 6.6.1 <https://github.com/varnishcache/varnish-cache/blob/6.6/doc/changes.rst#varnish-cache-661-2021-07-13>`_
 
 For installation instructions including information about cloud images see