diff --git a/docs/src/pages/index.js b/docs/src/pages/index.js
index 682082d8..7019e579 100644
--- a/docs/src/pages/index.js
+++ b/docs/src/pages/index.js
@@ -5,6 +5,7 @@ import Link from "@docusaurus/Link";
 import useDocusaurusContext from "@docusaurus/useDocusaurusContext";
 import useBaseUrl from "@docusaurus/useBaseUrl";
 import styles from "./styles.module.css";
+import PropTypes from "prop-types";
 
 const features = [
   {
@@ -46,6 +47,12 @@ function Feature({ imageUrl, title, description }) {
   );
 }
 
+Feature.propTypes = {
+  imageUrl: PropTypes.string.isRequired,
+  title: PropTypes.string.isRequired,
+  description: PropTypes.string.isRequired,
+};
+
 function Home() {
   const context = useDocusaurusContext();
   const { siteConfig = {} } = context;