diff --git a/README.md b/README.md
index e5d1336a..61266444 100644
--- a/README.md
+++ b/README.md
@@ -40,5 +40,7 @@ nix develop
 codium 
 ```
 
+The `nix develop` shell also provides `yarn`. 
+
 # Contributing
 See `CONTRIBUTING.md`.