Switch to side-by-side view

--- a/website/doc.html
+++ b/website/doc.html
@@ -49,7 +49,7 @@
         <li><a href="recoll_XMP/index.html">Indexing PDF
             XMP-metadata</a>: a nice exemple of customizing a Recoll
             configuration and the PDF filter to use additional
-            metadata.</li>
+            metadata, by Jeffrey Dick.</li>
       <li><a href="perfs.html">Index size and indexing performance
 	  data.</a></li>
       <li><a href="custom.html">Result list format samples.</a></li>