diff --git a/DNS-alias-mode.md b/DNS-alias-mode.md
index 1742c98..984eb5b 100644
--- a/DNS-alias-mode.md
+++ b/DNS-alias-mode.md
@@ -76,8 +76,6 @@ Even with ACME v2 wildcard cert:
 
 acme.sh --issue  \
   -d  example.com --challenge-alias aliasDomainForValidationOnly.com --dns dns_cf \
-  -d  www.example.com \
-  -d  sub.example.com \
   -d  example.net \
   -d  example.org \
   -d  *.example.com \
@@ -87,7 +85,7 @@ acme.sh --issue  \
 
 ### 4. Specify different aliased domains for each domain.
 
-Yes, you know, acme.sh support to set alias domain for each domain. Even with different dns provider:
+Yes, you know, acme.sh supports to set the alias domains for each domain. Even with different dns provider:
 
 You can set CNAME like: