Shorten heading in episode 12

Author: yasulab

public/podcasts/12.md

@@ -8,7 +8,7 @@ Guest: [Bill Liao](https://twitter.com/liaonet), co-founder of [CoderDojo](https
 
 <br>
 
-## 🎥 Watch the talk on YouTube?
+## 🎥 Watch on YouTube
 
 <div class="home-point-video">
   <iframe width="560" height="315" src="https://www.youtube.com/embed/8NoL2uRk0PY?list=PL94GDfaSQTmK6xzLNsBMx8gkKrT2HiZ9D" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>