fix: capitalization + punctuation

Author: mabuyo

docs/source/code-generation/downloading-schema.mdx

@@ -14,7 +14,7 @@ Apollo Studio is a cloud platform that helps you build, validate, and secure you
 
 In the SDL view of the Schema tab of Apollo Studio there is a drop-down menu where you can download the linked schema in SDL or JSON format.
 
-You can visit this [public example](https://studio.apollographql.com/public/star-wars-swapi/schema/sdl?variant=current) of the Apollo studio for a [StarWars GraphQL API](https://studio.apollographql.com/public/star-wars-swapi/home?variant=current). On the right-hand side you can see the drop-down allowing downloads of both formats.
+You can visit this [public example](https://studio.apollographql.com/public/star-wars-swapi/schema/sdl?variant=current) of Apollo Studio for a [StarWars GraphQL API](https://studio.apollographql.com/public/star-wars-swapi/home?variant=current). On the right-hand side, you can see the drop-down allowing downloads of both formats.
 
 Please see the [documentation](https://www.apollographql.com/docs/studio/) for further details on how to use Apollo Studio.