update Readme

Author: peterli-r3

Features/referencestates-sanctionsbody/README.md

@@ -8,9 +8,10 @@ This CorDapp allows two nodes to enter into an IOU agreement, but enforces that
 ## Usage
 
 
-### Pre-Requisites
+## Pre-Requisites
+
+For development environment setup, please refer to: [Setup Guide](https://docs.corda.net/getting-set-up.html).
 
-See https://docs.corda.net/getting-set-up.html.
 
 ### Running the CorDapp
 
@@ -23,6 +24,7 @@ Then type: (to run the nodes)
 ./build/nodes/runnodes
 ```
 
+
 ### Running the flows
 
 We will interact with the nodes via their shell.