diff --git a/lam/HISTORY b/lam/HISTORY
index fff59605..5d89aafd 100644
--- a/lam/HISTORY
+++ b/lam/HISTORY
@@ -2,6 +2,7 @@ June 2012
   - quick (un)lock for users
   - LAM Pro:
    -> Custom fields module allows to manage custom LDAP attributes in Self Service
+   -> Separate group of names module for users allows to manage memberships if Unix module is not used
   - fixed bugs
    -> Asterisk extensions with same name (3528288)
 
diff --git a/lam/docs/manual-sources/howto.xml b/lam/docs/manual-sources/howto.xml
index 2a81cef2..c33c1677 100644
--- a/lam/docs/manual-sources/howto.xml
+++ b/lam/docs/manual-sources/howto.xml
@@ -1753,6 +1753,30 @@ Have fun!
         </screenshot>
       </section>
 
+      <section>
+        <title>Group of names (LAM Pro)</title>
+
+        <para>This module manages memberships in group of (unique) names. To
+        activate this feature please add the user module "Group of names
+        (groupOfNamesUser)" to your LAM server profile.</para>
+
+        <para>Please note that this module cannot be used if the Unix module
+        is active. In this case group memberships may be managed with the Unix
+        module.</para>
+
+        <para>The module automatically detects if groups are based on
+        "groupOfNames" or "groupOfUniqueNames" and sets the correct
+        attribute.</para>
+
+        <screenshot>
+          <mediaobject>
+            <imageobject>
+              <imagedata fileref="images/mod_groupOfNamesUser.png" />
+            </imageobject>
+          </mediaobject>
+        </screenshot>
+      </section>
+
       <section>
         <title>Shadow</title>
 
diff --git a/lam/docs/manual-sources/images/mod_groupOfNamesUser.png b/lam/docs/manual-sources/images/mod_groupOfNamesUser.png
new file mode 100644
index 00000000..b86579b0
Binary files /dev/null and b/lam/docs/manual-sources/images/mod_groupOfNamesUser.png differ