Update QA section
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1941ffa..0cc03a9 100644
@@ -75,9 +75,13 @@
are really valuable contributions to open source projects.
If this interests you, you can jump in and submit bugs without needing anyone's permission!
-The #hackers-tests channel on our [Discord server](https://github.com/flutter/flutter/wiki/Chat)
-is a good place to talk about what you're doing. If you want to contribute test cases, you
-can also submit PRs, see the next section for how to set up your development environment.
+The #qa channel on our [Discord server](https://github.com/flutter/flutter/wiki/Chat)
+is a good place to talk about what you're doing. We're especially eager for QA testing when
+we announce a beta release, see https://github.com/flutter/flutter/wiki/Quality-Assurance for
+If you want to contribute test cases, you can also submit PRs, see the next section
+for how to set up your development environment, or ask in #hackers-test on Discord.
> As a personal side note, this is exactly the kind of work that first got me into open
> source. I was a Quality Assurance volunteer on the Mozilla project, writing test cases for