Update start-stop-nodepools.md

Fix NAP hyperlink

Author: AdamSharif-MSFT

articles/aks/start-stop-nodepools.md

@@ -17,7 +17,7 @@ You might not need to continuously run your AKS workloads. For example, you migh
 * Spot node pools are supported.
 * Stopped node pools can be upgraded.
 * The cluster and node pool must be running.
-* You can't stop node pools from clusters which use the [Node Autoprovisioning (NAP)](/articles/aks/node-autoprovision) feature.
+* You can't stop node pools from clusters which use the [Node Autoprovisioning (NAP)](node-autoprovision.md) feature.
 
 ## Before you begin