Update README.md

adjust notes

examples/firezone/README.md

@@ -4,9 +4,10 @@
 
 # Notes
 
-1. Download the `docker-compose.yml` and `.env` file from this repository.
-2. Adjust both files to your needs. Especially change the default secrets!
-3. Proceed by executing the below commands.
+1. Download the `docker-compose.yml` and `env.example` file from this repository.
+2. Adjust the compose file to your needs.
+3. Renamte the `env.example` file to `.env` and adjust to your needs. Especially change the default secrets!
+5. Proceed by executing the below commands.
 
 ````
 docker compose run --rm firezone bin/migrate