docs: update doc for reconcile example

pkg/reconcile/reconcile.go

@@ -67,18 +67,18 @@ Example reconcile Logic:
 
 reconcile may be implemented as either a type:
 
-	type reconcile struct {}
+	type reconciler struct {}
 
-	func (reconcile) reconcile(controller.Request) (controller.Result, error) {
+	func (reconciler) Reconcile(ctx context.Context, o reconcile.Request) (reconcile.Result, error) {
 		// Implement business logic of reading and writing objects here
-		return controller.Result{}, nil
+		return reconcile.Result{}, nil
 	}
 
 Or as a function:
 
-	controller.Func(func(o controller.Request) (controller.Result, error) {
+	reconcile.Func(func(ctx context.Context, o reconcile.Request) (reconcile.Result, error) {
 		// Implement business logic of reading and writing objects here
-		return controller.Result{}, nil
+		return reconcile.Result{}, nil
 	})
 
 Reconciliation is level-based, meaning action isn't driven off changes in individual Events, but instead is