diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index 68425722..1b25830b 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -86,6 +86,8 @@ just test
 just itest REDB/SQLITE/MEMEORY
 ```
 
+NOTE: if this command fails on macos change the nix channel to unstable (in the `flake.nix` file modify `nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";` to `nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";`)
+
 ### Running Format
 ```bash
 just format