diff --git a/README.md b/README.md
index 18f2a7b..53f7485 100644
--- a/README.md
+++ b/README.md
@@ -71,8 +71,8 @@ tx.addInput("aa94ab02c182214f090e99a0d57021caffd0f195a81c24602b1028b130b63e31",
 // Add the output (who to pay to) of the form [payee's address, amount in satoshis]
 tx.addOutput("1Gokm82v6DmtwKEB8AiVhm82hyFSsEvBDK", 15000)
 
-// Initialize a private key using the WIF key format
-key = new Bitcoin.ECKey("5Jxfda2afuyMw3iaxzAwv6FvAs3XxmjV5y3GPAjZDEhRNJaFG5a")
+// Initialize a private key using hex
+key = new Bitcoin.ECKey("8c112cf628362ecf4d482f68af2dbb50c8a2cb90d226215de925417aa9336a48")
 
 // Sign the first input with the new key
 tx.sign(0, key)