diff --git a/options.xhtml b/options.xhtml
index 7da5bda98..2402cf26e 100644
--- a/options.xhtml
+++ b/options.xhtml
@@ -98171,10 +98171,11 @@ package</p>
 <p>The way-displays configuration written to
 <code class="filename">$XDG_CONFIG_HOME/way-displays/cfg.yml</code>. See
 <a class="link" href="https://github.com/alex-courtis/way-displays/wiki/Configuration"  target="_top">https://github.com/alex-courtis/way-displays/wiki/Configuration</a> for a
-description of available options.</p>
+description of available options.</p><p>When <code class="literal">null</code> a configuration file is not generated,
+which allows way-displays to write its own configuration.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-YAML 1.1 value</p>
+null or YAML 1.1 value</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
 <code class="literal">{ }</code></p>