diff --git a/lam/docs/manual-sources/howto.xml b/lam/docs/manual-sources/howto.xml
index 6689d0c2..c38bcd1a 100644
--- a/lam/docs/manual-sources/howto.xml
+++ b/lam/docs/manual-sources/howto.xml
@@ -4510,6 +4510,24 @@ Run slapindex to rebuild the index.
             <entry></entry>
           </row>
 
+          <row>
+            <entry><inlinemediaobject>
+                <imageobject>
+                  <imagedata fileref="images/schema_heimdal.png" />
+                </imageobject>
+              </inlinemediaobject></entry>
+
+            <entry>Heimdal Kerberos</entry>
+
+            <entry>krb5KDCEntry</entry>
+
+            <entry>hdb.schema</entry>
+
+            <entry>Part of Heimdal Kerberos installation</entry>
+
+            <entry>This account type is only available in LAM Pro.</entry>
+          </row>
+
           <row>
             <entry><inlinemediaobject>
                 <imageobject>
diff --git a/lam/docs/manual-sources/images/mod_kerberos1.png b/lam/docs/manual-sources/images/mod_kerberos1.png
index bea93802..28253ef7 100644
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diff --git a/lam/docs/manual-sources/images/mod_kerberos2.png b/lam/docs/manual-sources/images/mod_kerberos2.png
index 709850cd..7b1d933a 100644
Binary files a/lam/docs/manual-sources/images/mod_kerberos2.png and b/lam/docs/manual-sources/images/mod_kerberos2.png differ
diff --git a/lam/docs/manual-sources/images/schema_heimdal.png b/lam/docs/manual-sources/images/schema_heimdal.png
new file mode 100644
index 00000000..fb504fd7
Binary files /dev/null and b/lam/docs/manual-sources/images/schema_heimdal.png differ