Update README.md

NS1 does support CNAME via octodns :)

README.md

@@ -191,7 +191,7 @@ The above command pulled the existing data out of Route53 and placed the results
 | [EnvVarSource](/octodns/source/envvar.py) | | TXT | No | read-only environment variable injection |
 | [GoogleCloudProvider](/octodns/provider/googlecloud.py) | google-cloud-dns | A, AAAA, CAA, CNAME, MX, NAPTR, NS, PTR, SPF, SRV, TXT  | No | |
 | [MythicBeastsProvider](/octodns/provider/mythicbeasts.py) | Mythic Beasts | A, AAAA, ALIAS, CNAME, MX, NS, SRV, SSHFP, CAA, TXT | No | |
-| [Ns1Provider](/octodns/provider/ns1.py) | ns1-python | All | Yes | No CNAME support, missing `NA` geo target |
+| [Ns1Provider](/octodns/provider/ns1.py) | ns1-python | All | Yes | Missing `NA` geo target |
 | [OVH](/octodns/provider/ovh.py) | ovh | A, AAAA, CAA, CNAME, MX, NAPTR, NS, PTR, SPF, SRV, SSHFP, TXT, DKIM | No | |
 | [PowerDnsProvider](/octodns/provider/powerdns.py) | | All | No | |
 | [Rackspace](/octodns/provider/rackspace.py) | | A, AAAA, ALIAS, CNAME, MX, NS, PTR, SPF, TXT | No |  |