Index: library/mongodb/example-nx-reference-one.tcl
===================================================================
diff -u -rc85ca5808548fc506bfc39600bafb8b11ecfac43 -r8f4ba2af8b01697a3aab727a2794cb3b456d6632
--- library/mongodb/example-nx-reference-one.tcl	(.../example-nx-reference-one.tcl)	(revision c85ca5808548fc506bfc39600bafb8b11ecfac43)
+++ library/mongodb/example-nx-reference-one.tcl	(.../example-nx-reference-one.tcl)	(revision 8f4ba2af8b01697a3aab727a2794cb3b456d6632)
@@ -67,7 +67,7 @@
 }
 nx::mongo::Class create Post {
   :attribute title
-  :attribute user:embedded,arg=::User
+  :attribute user:embedded,type=::User
 }
 
 Post insert -title "Hello embedded World" -user [User new -name Smith]
@@ -86,7 +86,7 @@
 }
 nx::mongo::Class create Post {
   :attribute title
-  :attribute user:reference,arg=::User
+  :attribute user:reference,type=::User
 }
 
 Post insert -title "Hello referenced World" -user [User new -name Smith]
@@ -98,6 +98,10 @@
 puts stderr "Content of the collection groups:"
 Post show
 
+######################################################################
+# Output
+######################################################################
+
 # Content of the collection groups:
 # {
 #     _id: 4daae48056b77f0e00000000,