diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
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--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -603,7 +603,7 @@
 
 * [Beginner's Series to: Node.js](https://youtube.com/playlist?list=PLlrxD0HtieHje-_287YJKhY8tDeSItwtg) - Microsoft Developer (YouTube)
 * [Building a RESTful API with Node.js](https://www.youtube.com/playlist?list=PL55RiY5tL51q4D-B63KBnygU6opNPFk_q) - Academind (YouTube)
-* [Data brokering with Node.js: Process data at the speed of technology](https://heynode.com) - Osio Labs Inc. *(sign up requested)*
+* [Data brokering with Node.js: Process data at the speed of technology](https://heynode.com) - Osio Labs Inc. *(signup requested, not required)*
 * [Express JS Crash Course](https://www.youtube.com/watch?v=L72fhGm1tfE) - Brad Traversy, Traversy Media (YouTube)
 * [ExpressJS Fundamentals](https://www.udemy.com/course/expressjs-fundamentals/) - Patrick Schroeder (Udemy)
 * [Node and Express Tutorial](https://www.youtube.com/watch?v=TNV0_7QRDwY) - John Smilga, Coding Addict (YouTube)