[royale-docs] branch master updated: Update data-binding.md

[andreww]

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andreww pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/royale-docs.git


The following commit(s) were added to refs/heads/master by this push:
     new 46c85ab  Update data-binding.md
46c85ab is described below

commit 46c85ab6d010363bfe949f7509fa1d4f4e22227d
Author: Andrew Wetmore <and...@cottage14.com>
AuthorDate: Wed Dec 25 14:18:10 2019 -0400

    Update data-binding.md
---
 features/data-binding.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/features/data-binding.md b/features/data-binding.md
index 00f8aab..3cf630e 100644
--- a/features/data-binding.md
+++ b/features/data-binding.md
@@ -25,6 +25,8 @@ Update the UI in real time as data changes
 
 Royale, like Flex before it, makes it easy to pass data around your 
application. A change to data can automatically update the display of that data 
in the user interface, and potentially in calculations or other functions that 
use that data. The feature that makes this possible without having to write 
lots of code is *data binding*.
 
+Data binding requires a source property, a destination property, and a 
triggering event that indicates when to copy the data from the source to the 
destination.
+
 There are several ways to deploy data binding:
 
 * [Using curly braces](features/data-binding.html#curly-braces)
@@ -37,6 +39,7 @@ There are several ways to deploy data binding:
 
 
 ## Using curly braces {#curly-braces}
+
 _Details coming soon_
 
 ## Using data binding in MXML {#mxml}