(DOCSP-49239): Fixed s3 migration language.

gst

(cherry picked from commit 6610628)

Author: corryroot

source/admin/backup/jobs-page.txt

@@ -177,8 +177,8 @@ After you transition to another S3-compatible snapshot store, the
 existing snapshots remain in the previous store until they expire and 
 the :ref:`groom job <grooms-page>` removes them. All new snapshots are 
 stored on the newly selected store, starting with a full snapshot. If a 
-snapshot is in progress at the time of migration, it will complete on 
-the current store, and the migration will take effect with the next 
+snapshot is in progress at the time of transition, it will complete on 
+the current store, and the transition will take effect with the next 
 scheduled snapshot.
 
 .. include:: /includes/steps/admin-transition-s3-blockstore.rst

source/reference/api/backup/update-backup-config.txt

@@ -385,8 +385,8 @@ Example Request
                   "preferredMember":"{HOSTNAME}:{PORT}"
                 }'
 
-   .. tab:: S3 Blockstore Migration Request
-      :tabid: s3-migration
+   .. tab:: S3 Blockstore Transition Request
+      :tabid: s3-transition
 
       .. code-block:: sh
          :linenos:
@@ -485,8 +485,8 @@ Response Body
            "preferredMember":"{HOSTNAME}:{PORT}"
          }
 
-   .. tab:: S3 Blockstore Migration Response
-      :tabid: s3-migration
+   .. tab:: S3 Blockstore Transition Response
+      :tabid: s3-transition
 
       .. code-block:: json
          :linenos: