diff --git a/README.md b/README.md
index a1fffcc..61341a7 100644
--- a/README.md
+++ b/README.md
@@ -270,7 +270,7 @@ A possible fix: `kubectl -n ingress-nginx delete ValidatingWebhookConfiguration
 ## Installation <a name="user-content-cert-manager-install"></a>
 Docs: https://hub.helm.sh/charts/jetstack/cert-manager
 
-**Note on split-horizon DNS**: If you are planning to use DNS-01 validation in term of [split-horizon-DNS](https://en.wikipedia.org/wiki/Split-horizon_DNS) you will need to specify an external DNS-resolver (Google, Cloudflare or your ISPs resolver) instead of your internal upstream DNS-resolver for DNS self-checks! Read [this](https://cert-manager.io/docs/configuration/acme/dns01/#setting-nameservers-for-dns01-self-check) for further details.
+**Note on split-horizon DNS**: If you are planning to use DNS-01 validation in term of [split-horizon-DNS](https://en.wikipedia.org/wiki/Split-horizon_DNS), you will need to specify an external DNS-resolver (Google, Cloudflare or your ISPs resolver) instead of your internal upstream DNS-resolver for DNS self-checks! Read [this](https://cert-manager.io/docs/configuration/acme/dns01/#setting-nameservers-for-dns01-self-check) for further details.
 ```
 helm repo add jetstack https://charts.jetstack.io
 helm repo update