--- a/UISpecificationTool.st	Mon Jul 05 23:18:47 1999 +0200
+++ b/UISpecificationTool.st	Mon Jul 05 23:33:03 1999 +0200
@@ -131,9 +131,15 @@
 #booleanHolder
 'Aspect selector or binding for a boolean holder which enables the widget.'
 
+#booleanModel
+'Aspect selector or binding for a holder on the boolean state.'
+
 #borderWidth
 'Defines the width of the border (in pixels).'
 
+#buttonModelArg
+'Value stored into the model when the button is pressed.'
+
 #canvas
 'Aspect selector or binding for the widget placed into the notebook.'