Updating README

README.md

@@ -1,12 +1,16 @@
 # macOS by Tutorials: Materials
 
-This repo contains all the downloadable materials and projects associated with the **[macOS by Tutorials](https://www.raywenderlich.com/books)** from [raywenderlich.com](https://www.raywenderlich.com).
+This repo contains all the downloadable materials and projects associated with the **[macOS by Tutorials](https://www.raywenderlich.com/books/macos-by-tutorials)** from [raywenderlich.com](https://www.raywenderlich.com).
 
 Each edition has its own branch, named `editions/[EDITION]`. The default branch for this repo is for the most recent edition.
 
+## Forum
+
+We’ve set up an official forum for the book at [https://forums.raywenderlich.com/c/books/macos-by-tutorials](https://forums.raywenderlich.com/c/books/macos-by-tutorials). This is a great place to ask questions about the book or to submit any errors you may find.
+
 ## Release History
 
 | Branch                                                                           | Edition | Release Date |
 | -------------------------------------------------------------------------------- |:-------:|:------------:|
-| [editions/1.0](https://github.com/raywenderlich/mos-materials/tree/editions/1.0) | 1.0     | YYYY-MM-DD   |
+| [editions/1.0](https://github.com/raywenderlich/mos-materials/tree/editions/1.0) | 1.0     | 2022-04-13   |