diff --git a/How-to-use-Amazon-Route53-API.md b/How-to-use-Amazon-Route53-API.md
index 10deb705..8b7cf534 100644
--- a/How-to-use-Amazon-Route53-API.md
+++ b/How-to-use-Amazon-Route53-API.md
@@ -35,7 +35,7 @@ You can now use the new API keys with acme.sh
 [https://github.com/Neilpang/acme.sh/tree/master/dnsapi#10-use-amazon-route53-domain-api](https://github.com/Neilpang/acme.sh/tree/master/dnsapi#10-use-amazon-route53-domain-api)
 
 ### appendix
-If you want to use a must more restrictive AWS policy, use the following:
+If you want to use a much more restrictive AWS policy, use the following:
 - http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/access-control-managing-permissions.html
 ```json
 {