diff --git a/lam/docs/modules-specification.htm b/lam/docs/modules-specification.htm
index c2944f2a..48537d84 100644
--- a/lam/docs/modules-specification.htm
+++ b/lam/docs/modules-specification.htm
@@ -493,6 +493,10 @@ help:</span> help ID</li>
 example:</span> example value</li>
   <li><span style="font-weight: bold;"><span style="font-style: italic;">string</span>
 values:</span> possible input values<span style="font-style: italic;"> </span><span
+ style="font-weight: bold; font-style: italic;">(optional)</span></li>
+  <li><span style="font-weight: bold; font-style: italic;">string</span><span
+ style="font-weight: bold;"> default:</span><span
+ style="font-weight: bold; font-style: italic;"> </span>default value <span
  style="font-weight: bold; font-style: italic;">(optional)</span><br>
   </li>
   <li><span style="font-weight: bold;"><span style="font-style: italic;">boolean</span>