diff --git a/docs/reference/controllers.md b/docs/reference/controllers.md
index 97023e23..0cc2de5a 100644
--- a/docs/reference/controllers.md
+++ b/docs/reference/controllers.md
@@ -138,6 +138,8 @@ import ReferenceController from "./controllers/reference_controller"
 application.register("reference", ReferenceController)
 ```
 
+Use kebab-case in references to ensure features like targets function correctly (i.e., controllers/date_picker_controller, DatePickerController, date-picker)
+
 You can also register a controller class inline instead of importing it from a module:
 
 ```js