Update README.md

README.md

@@ -1,6 +1,6 @@
 # LiteDB - A .NET NoSQL Document Store in a single data file
 
-> v2.0 beta (for last 1.x version, see `Tags`)
+## > v2.0.0-beta (for 1.0.x version, see `Tags`)
 
 LiteDB is a small, fast and lightweight NoSQL embedded database. 
 
@@ -18,9 +18,10 @@ LiteDB is a small, fast and lightweight NoSQL embedded database.
 - Open source and free for everyone - including commercial use
 - Install from NuGet: `Install-Package LiteDB`
 
-## New features in v2.0 beta
+## New features in v2.0.0-beta
 - Generic data access - can use any `Stream`
 - Better mapping class from your entity to `BsonDocument` (like EntityFramework)
+- Virtual property (Formula) as index field
 - Better cross reference with `DbRef` mapping
 - ThreadSafe / ProcessSafe
 - Lazy engine load (open datafile only when run a command)
@@ -102,4 +103,4 @@ Details changes for each release are documented in the [release notes](https://g
 
 [MIT](http://opensource.org/licenses/MIT)
 
-Copyright (c) 2015 - Maurício David
+Copyright (c) 2015 - Maurício David