diff --git a/ack-script/acknowledgements.html b/ack-script/acknowledgements.html
index cf796144..658194c0 100644
--- a/ack-script/acknowledgements.html
+++ b/ack-script/acknowledgements.html
@@ -6,7 +6,8 @@ <h2>Acknowledgements</h2>
     </p>
 
     <ul class="ack">
-                <li>Timothy Cole (University of Illinois at Urbana-Champaign)</li>
+        <li>Timothy Cole (University of Illinois at Urbana-Champaign)</li>
+        <li>Gregory Todd Williams (J. Paul Getty Trust)</li>
         <li>Ivan Herman (W3C Staff)</li>
         <li>Jeff Mixter (OCLC (Online Computer Library Center, Inc.))</li>
         <li>David Lehn (Digital Bazaar)</li>
@@ -22,7 +23,7 @@ <h2>Acknowledgements</h2>
     <p>Additionally, the following people were members of the Working Group at the time of publication:</p>
 
     <ul class="ack">
-                <li>Steve Blackmon (Apache Software Foundation)</li>
+        <li>Steve Blackmon (Apache Software Foundation)</li>
         <li>Dan Brickley (Google, Inc.)</li>
         <li>Newton Calegari (NIC.br - Brazilian Network Information Center)</li>
         <li>Victor Charpenay (Siemens AG)</li>