Merge branch 'eread/fix-alert-text' into 'master'

Fix renderering of alert text and wording

See merge request gitlab-org/gitlab!29463

doc/administration/geo/replication/version_specific_updates.md

@@ -54,17 +54,17 @@ sudo touch /etc/gitlab/disable-postgresql-upgrade
 
 ## Updating to GitLab 12.0
 
-WARNING: **Warning:**
+CAUTION: **Warning:**
 This version is affected by [a bug that results in new LFS objects not being replicated to
 Geo secondary nodes](https://gitlab.com/gitlab-org/gitlab/issues/32696). The issue is fixed
-in GitLab 12.1. Please upgrade to GitLab 12.1 or newer.
+in GitLab 12.1. Please upgrade to GitLab 12.1 or later.
 
 ## Updating to GitLab 11.11
 
-WARNING: **Warning:**
+CAUTION: **Warning:**
 This version is affected by [a bug that results in new LFS objects not being replicated to
 Geo secondary nodes](https://gitlab.com/gitlab-org/gitlab/issues/32696). The issue is fixed
-in GitLab 12.1. Please upgrade to GitLab 12.1 or newer.
+in GitLab 12.1. Please upgrade to GitLab 12.1 or later.
 
 ## Updating to GitLab 10.8