diff --git a/To-use-the-VLESS-protocol.md b/To-use-the-VLESS-protocol.md
index 04374c8..67f37a0 100644
--- a/To-use-the-VLESS-protocol.md
+++ b/To-use-the-VLESS-protocol.md
@@ -44,11 +44,11 @@ User=v2ray
 
 #!/bin/bash
 
-TROJAN_DOMAIN='example.com'
+V2RAY_DOMAIN='example.com'
 
-if [[ "$RENEWED_LINEAGE" == "/etc/letsencrypt/live/$TROJAN_DOMAIN" ]]; then
-    install -m 644 -o v2ray -g v2ray "/etc/letsencrypt/live/$TROJAN_DOMAIN/fullchain.pem" -t /etc/ssl/v2ray/
-    install -m 600 -o v2ray -g v2ray "/etc/letsencrypt/live/$TROJAN_DOMAIN/privkey.pem" -t /etc/ssl/v2ray/
+if [[ "$RENEWED_LINEAGE" == "/etc/letsencrypt/live/$V2RAY_DOMAIN" ]]; then
+    install -m 644 -o v2ray -g v2ray "/etc/letsencrypt/live/$V2RAY_DOMAIN/fullchain.pem" -t /etc/ssl/v2ray/
+    install -m 600 -o v2ray -g v2ray "/etc/letsencrypt/live/$V2RAY_DOMAIN/privkey.pem" -t /etc/ssl/v2ray/
 
     sleep "$((RANDOM % 2048))"
     systemctl restart v2ray.service