diff --git a/docs/configuration/acme.md b/docs/configuration/acme.md
index 0ffee45cc..f293ab7c3 100644
--- a/docs/configuration/acme.md
+++ b/docs/configuration/acme.md
@@ -273,7 +273,7 @@ Here is a list of supported `provider`s, that can automate the DNS verification,
 | [name.com](https://www.name.com/)                      | `namedotcom`   | `NAMECOM_USERNAME`, `NAMECOM_API_TOKEN`, `NAMECOM_SERVER`                                                                   | Not tested yet                 |
 | [NIFCloud](https://cloud.nifty.com/service/dns.htm)    | `nifcloud`     | `NIFCLOUD_ACCESS_KEY_ID`, `NIFCLOUD_SECRET_ACCESS_KEY`                                                                      | Not tested yet                 |
 | [Ns1](https://ns1.com/)                                | `ns1`          | `NS1_API_KEY`                                                                                                               | Not tested yet                 |
-| [Open Telekom Cloud](https://cloud.telekom.de/en/)     | `otc`          | `OTC_DOMAIN_NAME`, `OTC_USER_NAME`, `OTC_PASSWORD`, `OTC_PROJECT_NAME`, `OTC_IDENTITY_ENDPOINT`                             | Not tested yet                 |
+| [Open Telekom Cloud](https://cloud.telekom.de)     | `otc`          | `OTC_DOMAIN_NAME`, `OTC_USER_NAME`, `OTC_PASSWORD`, `OTC_PROJECT_NAME`, `OTC_IDENTITY_ENDPOINT`                             | Not tested yet                 |
 | [OVH](https://www.ovh.com)                             | `ovh`          | `OVH_ENDPOINT`, `OVH_APPLICATION_KEY`, `OVH_APPLICATION_SECRET`, `OVH_CONSUMER_KEY`                                         | YES                            |
 | [PowerDNS](https://www.powerdns.com)                   | `pdns`         | `PDNS_API_KEY`, `PDNS_API_URL`                                                                                              | Not tested yet                 |
 | [Rackspace](https://www.rackspace.com/cloud/dns)       | `rackspace`    | `RACKSPACE_USER`, `RACKSPACE_API_KEY`                                                                                       | Not tested yet                 |