updated Readme for readability

README.md

@@ -278,11 +278,12 @@ The output should show the service running and clients connecting
 </details>
 
 ### Set up unbound as a recursive, authoritative DNS server
-Note: This set up was derived from this [site.](https://calomel.org/unbound_dns.html)
 
 <details>
 <summary>click to show installation instructions </summary>
 
+Note: This set up was derived from this [site.](https://calomel.org/unbound_dns.html)
+
 ```bash
 sudo nano /etc/unbound/unbound.conf.d/pi-hole.conf
 ```