Better rendering of version text

doc/user/group/epics/index.md

@@ -5,7 +5,7 @@ type: reference, howto
 # Epics **(PREMIUM)**
 
 > Introduced in [GitLab Ultimate](https://about.gitlab.com/pricing/) 10.2.
-> In [GitLab 12.8](https://gitlab.com/gitlab-org/gitlab/issues/37081), single-level Epics were moved to **(PREMIUM)**.
+> In [GitLab 12.8](https://gitlab.com/gitlab-org/gitlab/issues/37081), single-level Epics were moved to Premium tier.
 
 Epics let you manage your portfolio of projects more efficiently and with less
 effort by tracking groups of issues that share a theme, across projects and