diff --git a/Sources/CrudRouter/CrudController.swift b/Sources/CrudRouter/CrudController.swift
index 07ca1f9..e614676 100644
--- a/Sources/CrudRouter/CrudController.swift
+++ b/Sources/CrudRouter/CrudController.swift
@@ -91,7 +91,7 @@ extension CrudController {
 
     public func crud<ParentType>(
         at path: PathComponentsRepresentable...,
-        for relation: KeyPath<ModelType, Parent<ModelType, ParentType>>,
+        parent relation: KeyPath<ModelType, Parent<ModelType, ParentType>>,
         relationConfiguration: ((CrudParentController<ModelType, ParentType>) throws -> Void)?=nil
     ) throws where
         ParentType: Model & Content,