diff --git a/Release-notes-16.1.md b/Release-notes-16.1.md
index dcbe167..8037dc5 100644
--- a/Release-notes-16.1.md
+++ b/Release-notes-16.1.md
@@ -27,6 +27,6 @@ It contains many improvements AND lot's of bugfixes over the 14.3 release. To na
 * EGroupware relies havily on caching: it does this by default in filesystem, to **improve speed** you should **install APC or APCu** PHP extension with at least 128MB memory (apc.shm_size * apc.shm_segments >= 128MB)
 * Updating openSUSE or SLES using "zypper update egroupware-epl" fails to install egroupware-epl-compat package automatic. Either use "zypper update" to update everything, or "zypper install egroupware-epl-compat" to add package manually.
 * Printing in Calendar with Firefox under Windows does not work due to a bug in Firefox. Currently only workaround is either not using Firefox or Windows.
-* Groups app for long time community users is available in a 16.1 compatible version through the same repo.
+* [Groups app for long time community users](https://github.com/EGroupware/egroupware/wiki/Group-administration-for-long-time-CE-users) is available in a 16.1 compatible version through the same repo.
 * Updating an existing installation, you want to generate a new header.inc.php via Setup / Headeradmin (lower login), specially if you plan to remove all old apps requiring egroupware-epl-compat package.
 * For updates from versions before 14.3 also refer to [release notes of version 14.2](https://github.com/EGroupware/egroupware/wiki/Release-notes-14.2)
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