diff --git a/docs/content/dns/zz_gen_arvancloud.md b/docs/content/dns/zz_gen_arvancloud.md
index 372f89e1..48533c31 100644
--- a/docs/content/dns/zz_gen_arvancloud.md
+++ b/docs/content/dns/zz_gen_arvancloud.md
@@ -21,7 +21,7 @@ Configuration for [ArvanCloud](https://arvancloud.com).
 Here is an example bash command using the ArvanCloud provider:
 
 ```bash
-ARVANCLOUD_API_KEY=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx \
+ARVANCLOUD_API_KEY="Apikey xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" \
 lego --email myemail@example.com --dns arvancloud --domains my.example.org run
 ```
 
diff --git a/providers/dns/arvancloud/arvancloud.toml b/providers/dns/arvancloud/arvancloud.toml
index 38222898..6163f29d 100644
--- a/providers/dns/arvancloud/arvancloud.toml
+++ b/providers/dns/arvancloud/arvancloud.toml
@@ -5,7 +5,7 @@ Code = "arvancloud"
 Since = "v3.8.0"
 
 Example = '''
-ARVANCLOUD_API_KEY=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx \
+ARVANCLOUD_API_KEY="Apikey xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" \
 lego --email myemail@example.com --dns arvancloud --domains my.example.org run
 '''