diff --git a/doc/config.html b/doc/config.html
index 63ef5a55..b8b12fc2 100755
--- a/doc/config.html
+++ b/doc/config.html
@@ -367,6 +367,14 @@ The attributes specified here cannot be modified when a new entry is submitted.
 This makes only sense for preset attributes.
 <p>
 
+<LI><b><code>Fixed Attributes = &lt;list&gt;</code></b>
+<br>
+The attributes specified here cannot be modified when an existing entry
+is modified via the <b><code>Edit</code></b> button. This feature can be
+useful to preserve the original author of the message, when using the
+<b><code>Preset Author = $long_name</code></b> option as described above.
+<p>
+
 <LI><b><code>Required Attributes = &lt;list&gt;</code></b>
 <br>
 The attributes specified here are required when a new entry is submitted. The