Fix typo in workers testing index (#24471)

Author: bratvanov

src/content/docs/workers/testing/index.mdx

@@ -7,7 +7,7 @@ sidebar:
 
 import { Render, LinkButton } from "~/components";
 
-The Workers platform has a variety of ways to test your applications, depending on your requirements. We recommend using the [Vitest integration](/workers/testing/vitest-integration), which allows you to run tests to _inside_ the Workers runtime, and unit test individual functions within your Worker.
+The Workers platform has a variety of ways to test your applications, depending on your requirements. We recommend using the [Vitest integration](/workers/testing/vitest-integration), which allows you to run tests _inside_ the Workers runtime, and unit test individual functions within your Worker.
 
 <LinkButton href="/workers/testing/vitest-integration/write-your-first-test/">
 	Get started with Vitest