Apply suggestions from code review

Co-authored-by: Tobias Stadler <[email protected]>

docs/integrations/s3.md

@@ -96,7 +96,7 @@ All properties of [s3-integration-java-client-starter](#s3-integration-rest-clie
 | Property                                 | Description                                                                | Example                                       |
 |------------------------------------------|----------------------------------------------------------------------------|-----------------------------------------------|
 | `refarch.s3.client.document-storage-url` | URL to the RefArch S3 integration service.                                 | `http://s3-integration-service:8080`          |
-| `refarch.s3.client.enable-security`      | Switch to enable or disable oAuth2 authentication against s3 service.      | `true`                                        |
+| `refarch.s3.client.enable-security`      | Switch to enable or disable OAuth 2.0 authentication against S3 service.      | `true`                                        |
 
 For authentication against the `s3-service` a OAuth 2.0 registration with the name `s3` needs to be provided.
 See following example or the [according Spring documentation](https://docs.spring.io/spring-security/reference/servlet/oauth2/index.html#oauth2-client).