Update src/content/docs/workers/static-assets/index.mdx

Author: ToriLindsay

src/content/docs/workers/static-assets/index.mdx

@@ -67,7 +67,7 @@ Requests to a project with static assets can either return static assets or invo
 
 **Requests to static assets are free and unlimited**. Requests to the Worker script (e.g. in the case of SSR content) are billed according to Workers pricing. Refer to [pricing](/workers/platform/pricing/#example-2) for an example.
 
-There's no additional cost for storing Assets.
+There is no additional cost for storing Assets.
 
 ### Troubleshooting