update N&N and guide
- slightly restructure quick fix/assist
- add screenshots for improved "Add signatures ..." assist
diff --git a/plugins/org.eclipse.objectteams.otdt.doc/guide/toc.xml b/plugins/org.eclipse.objectteams.otdt.doc/guide/toc.xml
index f3abb53..dd4af3e 100644
--- a/plugins/org.eclipse.objectteams.otdt.doc/guide/toc.xml
+++ b/plugins/org.eclipse.objectteams.otdt.doc/guide/toc.xml
@@ -12,8 +12,11 @@
 			<topic label="OT/J syntax highlighting" href="guide/syntaxhighlight.html"/>
 			<topic label="OT/J content/code assist" href="guide/contentassist.html">
 				<topic label="OT/J code completion" href="guide/completion.html"/>
-				<topic label="OT/J quick fixes" href="guide/quickfix.html"/>
+				<topic href="guide/quickfix.html" label="OT/J quick fixes">
+    </topic>
 				<topic label="OT/J quick assists" href="guide/quickassist.html"/>
+    <topic href="guide/assist/addRemoveSignatures.html" label="Add/Remove signature of method binding">
+    </topic>
 			</topic>
 			<topic label="Binding markers" href="guide/callinmarker.html"/>
 			<topic label="Comparing bound methods" href="guide/methodcompare.html"/>