diff --git a/README.md b/README.md
index 72a3a70fab..58f35b326f 100644
--- a/README.md
+++ b/README.md
@@ -32,4 +32,11 @@ scala> val tx = Transaction(simpleRawTransaction)
 tx: org.bitcoins.protocol.transaction.Transaction = TransactionImpl(1,List(TransactionInputImpl(TransactionOutPointImpl(b30d3148927f620f5b1228ba941c211fdabdae75d0ba0b688a58accbf018f3cc,0),P2PKHScriptSignatureImpl(4830450221008337ce3ce0c6ac0ab72509f889c1d52701817a2362d6357457b63e3bdedc0c0602202908963b9cf1a095ab3b34b95ce2bc0d67fb0f19be1cc5f7b3de0b3a325629bf01210241d746ca08da0a668735c3e01c1fa02045f2f399c5937079b6434b5a31dfe353,List(BytesToPushOntoStackImpl(72), ScriptConstantImpl(30450221008337ce3ce0c6ac0ab72509f889c1d52701817a2362d6357457b63e3bdedc0c0602202908963b9cf1a095ab3b34b95ce2bc0d67fb0f19be1cc5f7b3de0b3a325629bf01), BytesToPushOntoStackImpl(33), ScriptConstantImpl(0241d746ca08da0a668735c3e01c1fa02045f2f399c5937079b6434b5a31dfe353))),4294967295)),List(TransactionOutputImpl(89994000 ...
 ```
 
-This example gives us an example of a bitcoin transaction that is encoded in hex format that is deserialized to a native Scala ojbect called a Transaction.
+This gives us an example of a bitcoin transaction that is encoded in hex format that is deserialized to a native Scala ojbect called a Transaction.
+
+Transaction's are run through the interpreter to check the validity of the Transaction. These packaged up up into an object called ScriptProgram which contains the following four things
+  - The transaction that is being checked
+  - The specific input index that is 
+  - The scriptPubKey for the crediting transaction
+  - The flags used to verify the script
+