Switch to side-by-side view

--- a/website/doc.html
+++ b/website/doc.html
@@ -2,7 +2,7 @@
 
 <html>
   <head>
-    <title>Recoll user manuals</title>
+    <title>Recoll documentation</title>
 
     <meta name="generator" content="HTML Tidy, see www.w3.org">
     <meta name="Author" content="Jean-Francois Dockes">
@@ -24,7 +24,7 @@
       <ul>
 	<li><a href="index.html">Home</a></li>
 	<li><a href="download.html">Downloads</a></li>
-	<li>manuals</li>
+	<li>Documentation</li>
       </ul>
     </div>