Update data-binding.md

Not complete yet
diff --git a/features/data-binding.md b/features/data-binding.md
index 93cc1cb..ef593c2 100644
--- a/features/data-binding.md
+++ b/features/data-binding.md
@@ -32,6 +32,7 @@
 * [Using curly braces ({})](features/data-binding.html#curly-braces)
 * [Using data binding in MXML](features/data-binding.html#mxml)
 * [Using data binding in ActionScript](features/data-binding.html#actionscript)
+* [Two-way data binding](features/data-binding.html#twoway)
 
 ## Using curly braces ({}) {#curly-braces}
 
@@ -83,10 +84,17 @@
 
 When the text in the first TextInput component changes, it triggers the event which changes the text in the second component. _That_, in turn, changes the text in the third component.
 
-Here is a [data binding tutorial](https://royale.apache.org/binding-the-text-property-of-a-jewel-textinput-to-update-a-text-label/){target="_blank"} using the Tour de Jewel example.
+Here is a [data binding tutorial](https://royale.apache.org/binding-the-text-property-of-a-jewel-textinput-to-update-a-text-label/){target="_blank"} using Tour de Jewe.
 
 ## Using data binding in MXML {#mxml}
-_Details coming soon_
+
+_Details coming soon._
+ 
+
 
 ## Using data binding in ActionScript {#actionscript}
-_Details coming soon_
+_Details coming soon_.
+
+## Two-way data binding {#twoway}
+
+_Details coming soon._