fix format

README.md

@@ -317,13 +317,13 @@ 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
-   (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...**
 
 If your DNS provider is not on the supported list above, you can write your own DNS API script easily. If you do, please consider submitting a [Pull Request](https://github.com/Neilpang/acme.sh/pulls) and contribute it to the project.

acme.sh

@@ -3598,7 +3598,7 @@ $_authorizations_map"
       _debug entry "$entry"
       if [ -z "$entry" ]; then
         _err "Error, can not get domain token entry $d"
-        _supported_vtypes="$(echo "$response" | _egrep_o "\"challenges\":\[[^]]*]" |  tr '{' "\n" | grep type | cut -d '"' -f 4 | tr "\n" ' ')"
+        _supported_vtypes="$(echo "$response" | _egrep_o "\"challenges\":\[[^]]*]" | tr '{' "\n" | grep type | cut -d '"' -f 4 | tr "\n" ' ')"
         if [ "$_supported_vtypes" ]; then
           _err "The supported validation types are: $_supported_vtypes, but you specified: $vtype"
         fi