modified documentation and small thing in the .env.sample file

Author: barbara79

examples/symfony-app-dynatrace/README.md

@@ -17,7 +17,7 @@ For now, we configured the docker environment for Dynatrace.
 2. Navigate to the path `symfony-app-dynatrace/`.
 
 ### Token creation
-1. Create the token in Dynatrace at least with PAAS scopes, "Ingest metrics" and "Read configuration" scopes.
+1. Create the token in Dynatrace at least with PAAS and "Ingest metrics" scopes.
 2. The token is necessary to paste it in the .env file later.
 
 

examples/symfony-app-dynatrace/docker/php/.env.sample

@@ -20,7 +20,7 @@ APP_CTP_CLIENT_ID=your client id
 APP_CTP_CLIENT_SECRET=your client secret
 APP_CTP_PROJECT_KEY=your project key
 DYNATRACE_URL=https://<your environment ID>.live.dynatrace.com/api
-DT_API_TOKEN=your dynatrace api token
+DT_API_TOKEN=<your dynatrace api token>
 
 # APP_NAME=PHP-SDK
 ###< symfony/framework-bundle ###