small tutorial adaptions

refs 2567

org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/extension/data/TutorialCompositeStep.java

@@ -35,8 +35,8 @@ public class TutorialCompositeStep extends TutorialStepBase {
 	private final List<TutorialStepBase> steps = new LinkedList<TutorialStepBase>();
 
 	/** Constructor. */
-	public TutorialCompositeStep(String title, String description, TutorialStepBase firstStep) {
-		super(title, description);
+	public TutorialCompositeStep(String title, String url, TutorialStepBase firstStep) {
+		super(title, url);
 		addStep(firstStep);
 	}