diff --git a/.changeset/polite-books-serve.md b/.changeset/polite-books-serve.md
index 81ce9a3..510e23c 100644
--- a/.changeset/polite-books-serve.md
+++ b/.changeset/polite-books-serve.md
@@ -4,10 +4,12 @@
 
 ## BREAKING CHANGES
 
-Remove the `directorySeparator` option and replace all `_` by `-` to follow the Stimulus naming convention.
+- Remove the `directorySeparator` option and replace all `_` by `-` to follow the Stimulus naming convention.
 
 If you previously had a controller named `my_controller`, it will now be `my-controller`.
 
 ## Dev Changes
 
-Update ESLint to flat config, update dependencies.
+- Update ESLint to flat config, update dependencies.
+- Remove test for `directorySeparator` option.
+- Add tests with controllers named with `_` and `-`.
diff --git a/test/index.test.ts b/test/index.test.ts
index 6f1b150..f26d3c2 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -153,6 +153,7 @@ describe('Controller definitions', () => {
 
   test('Definitions for relative long name controllers are valid', () => {
     const definitions = importDefinitions('relative-long-name-definitions');
+
     expect(definitions).toBeArrayOfSize(relativeLongNameDefinitions.length);
     expect(definitions).toEqual(relativeLongNameDefinitions);
   });