README: add info.yaml instructions

diff --git a/README.md b/README.md
index 64e0a84..db03f76 100644
--- a/README.md
+++ b/README.md

@@ -6,7 +6,7 @@
 
 1. [Generate](https://github.com/proppy/tiny_user_project/generate) a new project based on this template
 
-2. Create a new [Wokwi](https://wokwi.com/projects/339800239192932947) project and update [WOKWI_PROJECT_ID](Makefile#L322)
+2. Create a new [Wokwi](https://wokwi.com/projects/339800239192932947) project and update [`info.yaml`](info.yaml) with your `wokwi_id`.
 
 3. Commit, push and check the [![user_project_ci](https://github.com/proppy/tiny_caravel_user_project/actions/workflows/user_project_ci.yml/badge.svg)](https://github.com/proppy/tiny_caravel_user_project/actions/workflows/user_project_ci.yml) workflow summary (if successful a new commit including the hardened files will be automatically created).