fix broken link to upgrade docs. related #11313 (#14296)

Signed-off-by: onefourfive <>
Co-authored-by: onefourfive <unknown>

Author: onefourfive

DATA_MIGRATION.md

@@ -4,6 +4,6 @@
 
 Early versions of AWX did not support seamless upgrades between major versions and required the use of a backup and restore tool to perform upgrades.
 
-Users who wish to upgrade modern AWX installations should follow the instructions at:
+As of version 18.0, `awx-operator` is the preferred install/upgrade method. Users who wish to upgrade modern AWX installations should follow the instructions at:
 
-https://github.com/ansible/awx/blob/devel/INSTALL.md#upgrading-from-previous-versions
+https://github.com/ansible/awx-operator/blob/devel/docs/upgrade/upgrading.md