README.md in assert_value-1.5.4 vs README.md in assert_value-1.5.5

@@ -7,9 +7,14 @@
 with the actual in case the new behavior (and new actual value) is correct.
 Support two kind of arguments: string and code block.
 
 This check works with both Test/Unit and RSpec. See documentation and examples below:
 
+# Screencast
+
+![Screencast](https://github.com/assert-value/assert_value_screencasts/raw/master/screencast_10fps.gif)
+
+
 ## Testing String Values
 
 It is better to start with no expected value
 
     assert_value "foo"