Added clarification for the CE changes and link to upgrade to package repo

source/_posts/2015-05-22-gitlab-7-11-released.markdown

@@ -160,7 +160,7 @@ public accessible build and commit pages for public projects
 , a new backup/restore utility that will backup your CI database and
 HipChat notifications!
-## Other awesome changes
+## Other awesome changes in GitLab CE
 We can never cover all the new stuff in each GitLab release, but these
 are worth to have a quick look at as well:
@@ -211,6 +211,8 @@ Check out our [update page](https://about.gitlab.com/update/).
 Please note that cookbook-omnibus-gitlab, our Chef cookbook that installs/manages GitLab omnibus packages,
 does not yet support packages.gitlab.com. See [this issue](https://gitlab.com/gitlab-org/cookbook-omnibus-gitlab/issues/8).
+If you’re coming from Omnibus, use [this guide](https://about.gitlab.com/upgrade-to-package-repository/) to upgrade.
+
 ## Enterprise Edition
 The mentioned EE-only features and things like LDAP group support can be found in GitLab Enterprise Edition.
@@ -220,4 +222,4 @@ Access to GitLab Enterprise Edition is included with a [subscription](http://www
 No time to upgrade GitLab yourself?
 A subscription also entitles you to our upgrade and installation services.
-- - -
+- - -
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