Update 7-exercise.yml

Author: kprks

learn-pr/philanthropies/breathing-life-into-stories/7-exercise.yml

@@ -2,7 +2,7 @@
 uid: learn.philanthropies.breathing-life-into-stories.exercise
 title: Create an AI-powered interactive story demo
 metadata:
-  title: Exercise: Create an AI-Powered Interactive Story Demo
+  title: Exercise - Create an AI-Powered Interactive Story Demo
   description: "Build a short interactive storytelling experience using Microsoft Designer for character portrait generation and Azure OpenAI Studio for branching dialogue. Learn to combine AI tools to create a dynamic, visually driven story demo."
   ms.date: 4/28/2025
   author: kprks