Merge pull request #589 from cherouvim/patch-1

docs: typo

README.md

@@ -23,7 +23,7 @@ Please note that [letsencrypt-nginx-proxy-companion does not work with ACME v2 e
 * Check your firewall rules and **do not attempt to block port `80`** as that will prevent `http-01` challenges from completing.
 * For the same reason, you can't use nginx-proxy's [`HTTPS_METHOD=nohttp`](https://github.com/jwilder/nginx-proxy#how-ssl-support-works).
 * The (sub)domains you want to issue certificates for must correctly resolve to the host.
-* Your DNS provider must [answers correctly to CAA record requests](https://letsencrypt.org/docs/caa/).
+* Your DNS provider must [answer correctly to CAA record requests](https://letsencrypt.org/docs/caa/).
 * If your (sub)domains have AAAA records set, the host must be publicly reachable over IPv6 on port `80` and `443`.
 
 ![schema](https://github.com/JrCs/docker-letsencrypt-nginx-proxy-companion/blob/master/schema.png)