Update docs/machine-requests/overview.mdx

Co-authored-by: Bryce Kalow <[email protected]>

Author: Ben2W

Diff for: docs/machine-requests/overview.mdx

@@ -48,7 +48,7 @@ export default async function cronJob() {
 
 ## Verifying Machine Requests
 
-For a machine request to be valid, it must include a valid [machine token](/docs/machine-requests/machine-tokens) in the Bearer `Authorization` header.
+For a Machine Request to be valid, it must include a valid [machine token](/docs/machine-requests/machine-tokens) in the Bearer `Authorization` header.
 
 You can verify machine tokens in two ways: