Update README.md

Author: ChrisTheCoolHut

README.md

@@ -3,7 +3,7 @@ Automatic Exploit Generation (AEG) and remote flag capture for exploitable CTF p
 
 This tool uses [angr](https://github.com/angr/angr) to concolically analyze binaries by hooking printf and looking for [unconstrained paths](https://github.com/angr/angr-doc/blob/master/docs/examples.md#vulnerability-discovery). These program states are then weaponized for remote code execution through [pwntools](https://github.com/Gallopsled/pwntools) and a series of script tricks. Finally the payload is tested locally then submitted to a remote CTF server to recover the flag.
 
-[![asciicast](https://asciinema.org/a/14.png)](https://asciinema.org/a/14)
+[![asciicast](https://asciinema.org/a/457964.svg)](https://asciinema.org/a/457964)
 
 ## Version 2.1 changes