diff --git a/src/data/roadmaps/react/content/types--validation@UNlvRp6k3_RDoTAAIEfJ1.md b/src/data/roadmaps/react/content/types--validation@UNlvRp6k3_RDoTAAIEfJ1.md
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--- a/src/data/roadmaps/react/content/types--validation@UNlvRp6k3_RDoTAAIEfJ1.md
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@@ -1 +1,10 @@
-# Types & Validation
\ No newline at end of file
+# Types & Validation
+
+**Typescript** provides a static type system that helps you in avoiding mistakes during the development and provides other features (e.g. IDE support) that help you improve your productivity. 
+
+One thing you should note is that TypeScript can only help you avoid mistakes during the development. We can't rely on it to validate a client's input. **Zod** is a powerful validation library that allows us to validate: form input, local storage, API contracts and much more using their typesafe implementation.
+
+Visit the following resources to learn more:
+
+- [@article@What is TypeScript and why would I use it in place of JavaScript?](https://stackoverflow.com/questions/12694530/what-is-typescript-and-why-would-i-use-it-in-place-of-javascript)
+- [@article@When Use Zod](https://www.totaltypescript.com/when-should-you-use-zod)