Index: query/lang.html
===================================================================
--- query/lang.html	(revision 33049)
+++ query/lang.html	(revision 33050)
@@ -49,6 +49,8 @@
 	     an arc); these field names starts with "p."
 	<li> user attributes: free-form key=value pairs optionally assigned by
 	     the user; these field names start with "a."
+	<li> a "parent" of the object, e.g. "FOO.net" is the network object FOO is
+	     part of (assuming FOO is an object).
 </ul>
 
 <p>