diff --git a/options.xhtml b/options.xhtml
index 18142535a..15b74ff22 100644
--- a/options.xhtml
+++ b/options.xhtml
@@ -83900,7 +83900,10 @@ package</p>
 <p>Path to the assets directory.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-absolute path</p>
+null or absolute path</p>
+
+<p><span class="emphasis"><em>Default:</em></span>
+<code class="literal">null</code></p>
 
 <p><span class="emphasis"><em>Declared by:</em></span></p>
 <table border="0" summary="Simple list" class="simplelist">