doc/releases: fix hyper link

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/doc/releases/octopus.rst b/doc/releases/octopus.rst
index 81452500fc1cdc17f1c6e1251f2b7bbba9fe9dd6..beb0eb4f01f5c8b22c9c57a83a7b989f91df6dd9 100644 (file)
--- a/doc/releases/octopus.rst
+++ b/doc/releases/octopus.rst
@@ -341,9 +341,11 @@ Upgrade compatibility notes
 
 * Ceph now packages python bindings for python3.6 instead of
   python3.4, because python3 in EL7/EL8 is now using python3.6
-  as the native python3. see the `announcement <https://lists.fedoraproject.org/archives/list/epel-announce@lists.fedoraproject.org/message/EGUMKAIMPK2UD5VSHXM53BH2MBDGDWMO/>_`
+  as the native python3. see the `announcement`_
   for more details on the background of this change.
 
+.. _announcement: https://lists.fedoraproject.org/archives/list/epel-announce@lists.fedoraproject.org/message/EGUMKAIMPK2UD5VSHXM53BH2MBDGDWMO/
+
 * librbd now uses a write-around cache policy be default,
   replacing the previous write-back cache policy default.
   This cache policy allows librbd to immediately complete