diff --git a/proxy_pool/docker-compose-dev.yml b/proxy_pool/docker-compose-dev.yml
index 6f5de67..80f1d18 100644
--- a/proxy_pool/docker-compose-dev.yml
+++ b/proxy_pool/docker-compose-dev.yml
@@ -3,14 +3,18 @@ services:
   vpn:
     image: su:latest
     container_name: vpn
+    # Capabilities required to run OpenVPN
     cap_add:
       - NET_ADMIN
+    # Devices required to run OpenVPN
     devices:
       - '/dev/net/tun:/dev/net/tun'
     ports:
+      # Squid proxy port
       - target: 8888
         published: 8888
         protocol: tcp
+      # Dante proxy port
       - target: 8881
         published: 8881
         protocol: tcp
@@ -18,10 +22,12 @@ services:
         published: 8881
         protocol: udp
     volumes:
+      # OpenVPN credentials
       - type: bind
         source: pass.txt
         target: /var/run/secrets/pass.txt
 
+      # OpenVPN configuration
       - type: bind
         source: config.ovpn
         target: /var/run/secrets/config.ovpn