diff --git a/dnsapi.md b/dnsapi.md
index 39af273..20761ad 100644
--- a/dnsapi.md
+++ b/dnsapi.md
@@ -208,7 +208,7 @@ Once you have the token, you must provide it to acme.sh by setting the environme
 You must also specify either the ID of a single zone (via `CF_Zone_ID`) or, if you are planning to issue ACME DNS challenges for multiple domains, the ID of the account to which all of the zones belong to (via `CF_Account_ID`). You can find the Zone ID and the Account ID on the right side of the "Overview" page of any zone. For example, if you have `example.com` on your Cloudflare account, on the "Account Home" page, click `example.com` to go its "Overview" page, then on the right side under "API" you will see "Zone ID" and "Account ID".
 
 ```sh
-# For single or multiple domains within the same Cloudflare account
+# For a single domain or multiple domains within the same Cloudflare account
 export CF_Token="zfNp-Xm0VhSaCNun7dkLzwnw0UN7FNjaMurUZ8vf"
 export CF_Account_ID="763eac4f1bcebd8b5c95e9fc50d010b4"
 ./acme.sh --issue --dns dns_cf -d example.com -d '*.example.com'