diff --git a/env_vars/.env_prx b/env_vars/.env_prx
index 12e1af2f0..cc2e77728 100644
--- a/env_vars/.env_prx
+++ b/env_vars/.env_prx
@@ -1,7 +1,7 @@
 # ZBX_PROXYMODE=0
 # ZBX_SERVER_HOST=zabbix-server
 # ZBX_SERVER_PORT=10051 # Deprecated since 6.0.0
-# ZBX_HOSTNAME=zabbix-proxy-$db_type
+# ZBX_HOSTNAME=zabbix-proxy-<mysql|sqlite3>
 # ZBX_USE_NODE_NAME_AS_DB_NAME=false
 # ZBX_ENABLEREMOTECOMMANDS=0 # Available since 3.4.0
 # ZBX_LOGREMOTECOMMANDS=0 # Available since 3.4.0