Shorten text of link more in Episode 12 for mobile

Author: yasulab

public/podcasts/12.md

@@ -19,7 +19,7 @@ Guest: [Bill Liao](https://twitter.com/liaonet), co-founder of [CoderDojo](https
 ## 📜 References
 
 - [Twitter - Bill Liao (@liaonet)](https://twitter.com/liaonet)
-- [Doorkeeper Event page - Co-founder of CoderDojo "Bill Liao" visits Japan! The 1st CoderDojo and the global vision.](https://coderdojo-japan.doorkeeper.jp/events/91507?locale=en)
+- [Doorkeeper Event page - CoderDojo Japan](https://coderdojo-japan.doorkeeper.jp/events/91507?locale=en)
 - [Facebook Event page - CoderDojo Japan](https://facebook.com/events/2197296287267893/)
 - [Photos on this event - Facebook Group](https://facebook.com/groups/coderdojo.jp/permalink/2186689194777801/)