fix format

README.md

@@ -317,11 +317,11 @@ You don't have to do anything manually!
 1. zonomi.com DNS API
 1. DreamHost.com API
 
-And: 
 
-1. lexicon DNS API: https://github.com/Neilpang/acme.sh/wiki/How-to-use-lexicon-dns-api
+And: 
-   (DigitalOcean, DNSimple, DNSMadeEasy, DNSPark, EasyDNS, Namesilo, NS1, PointHQ, Rage4 and Vultr etc.)
 
+**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.)**
 
 
 **More APIs coming soon...**