Index: trunk/BNS/bnshelp.html
===================================================================
--- trunk/BNS/bnshelp.html	(revision 1764)
+++ trunk/BNS/bnshelp.html	(revision 1771)
@@ -338,5 +338,6 @@
 <ul>
 <li>IGS05 which stands for the GNSS-based IGS realization of the International Terrestrial Reference Frame 2005 (ITRF2005), and</li>
-<li>ETRF2000 which stands for the European Terestrial Reference Frame 2000 adopted by EUREF.</li>
+<li>ETRF2000 which stands for the European Terestrial Reference Frame 2000 adopted by EUREF, and</li>
+<li>'Custom' which allows a transformation of Broadcast Corrections from the IGS05 system to any other system through specifying up to 14 Helmert Transformation Parameters.</li>
 </ul>
 </p>
@@ -368,6 +369,6 @@
 </p>
 <p>
-Contact [igs-ip@bkg.bund.de] if you would like to see further Helmert transformation parameters implemented in BNS to support other national or regional reference system.
-<p>
+<u>Custom:</u> The default numbers shown as an example are those for a transformation from ITRF2005 to ETRF2000'.
+</p>