diff --git a/starters/gatsby-starter-minimal-ts/src/pages/index.tsx b/starters/gatsby-starter-minimal-ts/src/pages/index.tsx
index fc1b356c06b5d..1299e9e7b02e7 100644
--- a/starters/gatsby-starter-minimal-ts/src/pages/index.tsx
+++ b/starters/gatsby-starter-minimal-ts/src/pages/index.tsx
@@ -154,7 +154,7 @@ const IndexPage = () => {
       </p>
       <ul style={doclistStyles}>
         {docLinks.map(doc => (
-          <li style={docLinkStyle}>
+          <li key={doc.url} style={docLinkStyle}>
             <a
               style={linkStyle}
               href={`${doc.url}?utm_source=starter&utm_medium=ts-docs&utm_campaign=minimal-starter-ts`}