diff --git a/content/roadmaps/100-frontend/content/101-html/102-forms-and-validations.md b/content/roadmaps/100-frontend/content/101-html/102-forms-and-validations.md
index 24b279a94..d81258d38 100644
--- a/content/roadmaps/100-frontend/content/101-html/102-forms-and-validations.md
+++ b/content/roadmaps/100-frontend/content/101-html/102-forms-and-validations.md
@@ -5,3 +5,5 @@ Before submitting data to the server, it is important to ensure all required for
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MDN Web Docs: Client-side form validation
Learn Forms by web.dev
+W3Schools: JavaScript Form Validation
+