fix: env content

Author: p-stam001

src/content/docs/developer-tools/sdks/backend/remix-sdk.mdx

@@ -550,9 +550,9 @@ Include `lang` in the search params when sending users to login or register.
 
 An `audience` is the intended recipient of an access token. Set `KINDE_AUDIENCE` in `.env` to populate the `aud` claim.
 
-```shell
+```env
 KINDE_AUDIENCE=<your-api>
-KINDE_AUDIENCE=<api-one> <api-two>  # multiple audiences (space separated)
+KINDE_AUDIENCE="<api-one> <api-two>"  # multiple audiences (space separated)
 ```
 
 ## Working with subdomains