diff --git a/README.md b/README.md
index e09ef89..ca51c73 100644
--- a/README.md
+++ b/README.md
@@ -248,17 +248,18 @@ You don't have to do anything manually!
 
 ### Currently acme.sh supports:
 
-- CloudFlare.com API
-- DNSPod.cn API
-- CloudXNS.com API
-- GoDaddy.com API
-- OVH, kimsufi, soyoustart and runabove API
-- AWS Route 53, see: https://github.com/Neilpang/acme.sh/issues/65
-- PowerDNS.com API
-- lexicon DNS API: https://github.com/Neilpang/acme.sh/wiki/How-to-use-lexicon-dns-api
+1. CloudFlare.com API
+1. DNSPod.cn API
+1. CloudXNS.com API
+1. GoDaddy.com API
+1. OVH, kimsufi, soyoustart and runabove API
+1. AWS Route 53, see: https://github.com/Neilpang/acme.sh/issues/65
+1. PowerDNS.com API
+1. lexicon DNS API: https://github.com/Neilpang/acme.sh/wiki/How-to-use-lexicon-dns-api
    (DigitalOcean, DNSimple, DNSMadeEasy, DNSPark, EasyDNS, Namesilo, NS1, PointHQ, Rage4 and Vultr etc.)
-- LuaDNS.com API
-- DNSMadeEasy.com API
+1. LuaDNS.com API
+1. DNSMadeEasy.com API
+1. nsupdate API
 
 **More APIs coming soon...**