Update docker-compose.yml

adjust comments

examples/ipsec-vpn-server/docker-compose.yml

@@ -7,8 +7,8 @@ services:
     container_name: ipsec-vpn-server
     environment:
       - VPN_IPSEC_PSK=3gAW0sDYI2ARSMQIQRa2xpIHb42JS+ImsiHdf3jbTl8 # set a secure psk; e.g. via `openssl rand -base64 32`
-      - VPN_USER=vpn
-      - VPN_PASSWORD=Cy7jRPIZGVK7dbAF5v # set a secure psk; e.g. via `openssl rand -base64 16`
+      - VPN_USER=vpn # define your vpn username
+      - VPN_PASSWORD=Cy7jRPIZGVK7dbAF5v # set a secure vpn password; e.g. via `openssl rand -base64 16`
       #- VPN_ADDL_USERS=additional_username_1 additional_username_2 # usernames must be separated by spaces, no duplicates allowed
       #- VPN_ADDL_PASSWORDS=additional_password_1 additional_password_2 # passwords must be separated by spaces
       #- VPN_ADDL_IP_ADDRS=192.168.42.2 192.168.42.3 # assign static IPs to VPN clients; IKEv2 mode does NOT support this feature
@@ -28,4 +28,4 @@ services:
     privileged: true
     volumes:
       -  ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/ipsec-vpn-server/data:/etc/ipsec.d # required to enable IKEv2
-      - /lib/modules:/lib/modules:ro # required to pass kernel modules
+      - /lib/modules:/lib/modules:ro # required to pass kernel modules