diff --git a/src/main/java/de/tilman/transactions/Application.java b/src/main/java/de/tilman/transactions/Application.java
index ec94686..057d377 100644
--- a/src/main/java/de/tilman/transactions/Application.java
+++ b/src/main/java/de/tilman/transactions/Application.java
@@ -56,7 +56,7 @@ public class Application {
 		SecurityContextHolder.clearContext();
 	}
 	
-	// XXX for dev - make H2 database available as jdbc:h2:mem:testdb at /console (http://stackoverflow.com/a/24727653/3761783)
+	// XXX for dev - make H2 database available as jdbc:h2:mem:testdb at /console (https://springframework.guru/using-the-h2-database-console-in-spring-boot-with-spring-security/)
 	@Bean
 	public ServletRegistrationBean h2servletRegistration() {
 	    ServletRegistrationBean registration = new ServletRegistrationBean(new WebServlet());