diff --git a/doc/config.html b/doc/config.html
index 4fddbde6..44e3df50 100755
--- a/doc/config.html
+++ b/doc/config.html
@@ -162,8 +162,11 @@ This displays an image and a text below.
 
 <LI><b><code>Page title = &lt;string&gt;</code></b>
 <br>
-The string specified here is used for the title of the logbook selection page. It is also
-used by most browsers for bookmark names.
+The string specified here is used for the title of individual logbook pages. It is also
+used by most browsers for bookmark names. &lt;string&gt; can contain substitutions
+like $&lt;attribute&gt; where &lt;attribute&gt; gets replaced by the attribute string
+from each message. The option <b><code>Page title</code></b> in the <b><code>[global]</code></b>
+section is used for the logbook selection page.
 <p>
 
 <LI><b><code>Selection page = &lt;file&gt;</code></b>