Update src/content/docs/email-routing/email-workers/local-development.mdx

Co-authored-by: Pedro Sousa <[email protected]>

Author: celso

src/content/docs/email-routing/email-workers/local-development.mdx

@@ -36,7 +36,7 @@ You can now test receiving, replying, and sending emails in your local environme
 
 ## Receiving an email
 
-Consider this example Email Worker script that uses the opensource [postal-mime](https://www.npmjs.com/package/postal-mime) email parser:
+Consider this example Email Worker script that uses the open source [`postal-mime`](https://www.npmjs.com/package/postal-mime) email parser:
 
 ```ts
 import * as PostalMime from 'postal-mime';