diff --git a/www/perl-magick.html b/www/perl-magick.html
index 482aa0e..8e5639f 100644
--- a/www/perl-magick.html
+++ b/www/perl-magick.html
@@ -124,7 +124,7 @@
 
 <div class="sponsbox">
 <div  class="sponsor">
-   <a href="http://www.hygi.de">Reinigungsmittel</a><!-- 201002000400+ -->
+   <a href="http://www.abi-stoff.de/abizeitung/" title="Abibuch">Abizeitung</a><!-- 20101101000200 -->
 </div>
 <div  class="sponsor">
   <a href="http://www.tomsgutscheine.de">Tom's Gutscheine</a><!-- 201005010360 invendio.de-->
@@ -522,7 +522,7 @@
 
   <tr>
     <td valign="top">BlackThreshold</td>
-    <td valign="top">threshold=&gt;<i>string</i></td>
+    <td valign="top">threshold=&gt;<i>string</i>, , channel=&gt;{All, Default, Alpha, Black, Blue, CMYK, Cyan, Gray, Green, Index, Magenta, Opacity, Red, RGB, Yellow}</td>
     <td valign="top">force all pixels below the threshold intensity into black</td>
   </tr>
 
@@ -1200,7 +1200,7 @@
 
   <tr>
     <td valign="top">WhiteThreshold</td>
-    <td valign="top">threshold=&gt;<i>string</i></td>
+    <td valign="top">threshold=&gt;<i>string</i>, , channel=&gt;{All, Default, Alpha, Black, Blue, CMYK, Cyan, Gray, Green, Index, Magenta, Opacity, Red, RGB, Yellow}</td>
     <td valign="top">force all pixels above the threshold intensity into white</td>
   </tr>
 </tbody>
@@ -2528,7 +2528,7 @@
     <span id="linkbar-center">

       <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> &bull;

       <a href="../www/mailing-list.html">Mailing Lists</a> &bull;

-    <a href="http://studio.webbyland.com/ImageMagick/MagickStudio/scripts/MagickStudio.cgi">Studio</a>

+    <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a>

     </span>

     <span id="linkbar-east">&nbsp;</span>

   </div>