Minor refactoring, updated README.

Author: NLxAROSA

README.md

@@ -8,7 +8,7 @@ as well as a personal finance management overview with realtime balance and bigg
 
 ## Prerequisites
 
-1. JDK 11 or higher (https://docs.microsoft.com/en-us/azure/developer/java/fundamentals/java-jdk-install)
+1. JDK 11 or higher (https://openjdk.java.net/install/index.html)
 2. Docker Desktop (https://www.docker.com/products/docker-desktop)
 3. Azure CLI (https://docs.microsoft.com/en-us/cli/azure/install-azure-cli)
 4. Azure Spring Cloud extension for the Azure CLI (https://docs.microsoft.com/en-us/cli/azure/spring-cloud?view=azure-cli-latest)