diff --git a/baseLibrary/src/main/java/android/databinding/package.html b/baseLibrary/src/main/java/android/databinding/package.html
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+<html>
+<body>
+<p>Contains components used when developing applications with data binding.</p>
+
+<p>Android data binding operates primarily at compile time, processing expressions
+found in the layout file and generating code in the application. This package
+contains common code that will be included with the application, just like
+support library components.</p>
+
+<p>See the <a href="{@docRoot}/tools/data-binding/guide.html">Data Binding Guide</a>
+to get started using data binding.</p>
+</body>
+</html>