diff --git a/README.md b/README.md
index 1fad206..ce81b57 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,6 @@ roughly:
 2. `tree-sitter generate`
 3. `tree-sitter test`
 
-run `nix run '.#clean'` before committing to avoid checking in build artifacts.
+run `make clean` from within the `nix develop` shell before committing to avoid checking in build artifacts.
 
 the parser is defined in `grammar.js`, and tests live in `corpus/`.