Fix broken link to throwaway app

README.md

@@ -80,7 +80,7 @@ Resources marked with a dollar sign (💲) cost money. You may be able to find b
 
 ### Rails basics
 
-Only books and courses are listed below, but be sure to *build things* as you learn. I myself [started building a large-ish Rails app](https://fpsvogel.com/posts/2021/first-rails-app-plain-reading) at first, but then I found it more helpful to build a series of small throwaway apps ([1](https://fpsvogel.com/posts/2021/gpt3-ai-story-writer), [2](https://fpsvogel.com/posts/2021/wikipedia-explorer-discover-articles-like-stumbleupon), [3](https://fpsvogel.com/posts/2021/pass-the-story-collaborative-writing-game), [4](https://fpsvogel.com/posts/2022/doctor-lookup-health-provider-search-tool)).
+Only books and courses are listed below, but be sure to *build things* as you learn. I myself [started building a large-ish Rails app](https://fpsvogel.com/posts/2021/first-rails-app-plain-reading) at first, but then I found it more helpful to build a series of small throwaway apps ([1](https://fpsvogel.com/posts/2021/gpt3-ai-story-writer), [2](https://fpsvogel.com/posts/2021/wiki-stumble-wikipedia-explorer), [3](https://fpsvogel.com/posts/2021/pass-the-story-collaborative-writing-game), [4](https://fpsvogel.com/posts/2022/doctor-lookup-health-provider-search-tool)).
 
 - **Basics:**
   - [x] [GoRails - Build a Blog with Rails 7](https://gorails.com/series/build-a-blog-with-rails-7) and if you want more along the same lines, [Rails 6 for Beginners](https://gorails.com/series/rails-6-for-beginners) <!-- https://letslearnruby.com/images/gorails.jpg -->