doc/rgw: remove "tertiary", link to procedure

Remove the term "tertiary zone" and replace it with "second secondary
zone" (because there is no such thing as a tertiary zone). Link to the
procedure for creating a secondary zone in a place where such a link is
helpful to the reader.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit 8e273199d09a670578b0c1076bc18dbd113d42dd)

diff --git a/doc/radosgw/multisite.rst b/doc/radosgw/multisite.rst
index 084741dc6e184111f3fcd8306922872ff25180b6..e354b466faac958be22e76ff806370427aa82c4a 100644 (file)
--- a/doc/radosgw/multisite.rst
+++ b/doc/radosgw/multisite.rst
@@ -344,8 +344,11 @@ Zones that are within a zonegroup replicate all data in order to ensure that
 every zone has the same data. When creating a secondary zone, run the following
 operations on a host identified to serve the secondary zone.
 
-.. note:: To add a tertiary zone, follow the same procedures used for adding a
-   secondary zone. Be sure to specify a different zone name.
+.. note:: To add a second secondary zone (that is, a second non-master zone
+   within a zonegroup that already contains a secondary zone), follow :ref:`the
+   same procedures that are used for adding a secondary
+   zone<radosgw-multisite-secondary-zone-creating>`. Be sure to specify a
+   different zone name than the name of the first secondary zone.
 
 .. important:: Metadata operations (for example, user creation) must be
    run on a host within the master zone. Bucket operations can be received
@@ -376,6 +379,8 @@ default realm:
 
    radosgw-admin realm default --rgw-realm={realm-name}
 
+.. _radosgw-multisite-secondary-zone-creating:
+
 Creating a Secondary Zone
 -------------------------