Edit release notes.

Author: michael-rapp

RELEASE_NOTES.md

@@ -4,8 +4,9 @@
 
 A feature release, which introduces the following changes:
 
-- A `ColorStateList` can now be used to specify the text color of a `MaterialDialog`'s list items.
-- Added `getItemCount`-, `isItemChecked`-, and `setItemChecked`-method to the `MaterialDialog`.
+- A `ColorStateList` can now be used to specify the text color of a `ListDialog`'s list items.
+- Added `getItemCount`-, `isItemChecked`- and `setItemChecked`-methods to the `ListDialog`.
+- Added `isItemEnabled`- and `setItemEnabled`-methods to the `ListDialog`.
 - Updated dependency "AndroidUtil" to version 2.1.0.
 
 ## Version 5.1.6 (May. 1st 2019)