diff --git a/README.md b/README.md
index 70438c754..026387628 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 Todos:
 - [x] check labels and selectors if they all are correct
 - [x] configure NGINX from yml
-- [ ] configure Let's Encrypt cert-manager from yml
+- [x] configure Let's Encrypt cert-manager from yml
 - [x] configure ingress from yml
 - [x] configure persistent & shared storage between nodes
 - [x] reproduce setup locally
@@ -122,16 +122,25 @@ $ kubectl apply -f human-connection/ingress.yaml
 
 #### Setup SSL
 
-Follow [this quick start guide](https://docs.cert-manager.io/en/latest/tutorials/acme/quick-start/index.html):
+Follow [this quick start guide](https://docs.cert-manager.io/en/latest/tutorials/acme/quick-start/index.html)
+and install certmanager via helm and tiller:
 ```
 $ kubectl create serviceaccount tiller --namespace=kube-system
 $ kubectl create clusterrolebinding tiller-admin --serviceaccount=kube-system:tiller --clusterrole=cluster-admin
 $ helm init --service-account=tiller
 $ helm repo update
 $ helm install stable/nginx-ingress --name quickstart
-$ kubectl apply -f https://raw.githubusercontent.com/jetstack/cert-manager/release-0.6/deploy/manifests/00-crds.yaml<Paste>
+$ kubectl apply -f https://raw.githubusercontent.com/jetstack/cert-manager/release-0.6/deploy/manifests/00-crds.yaml
 $ helm install --name cert-manager --namespace cert-manager stable/cert-manager
-$ kubectl apply -f certmanager/
+```
+
+We provided some configuration in a folder `human-connection/certmanager`. To 
+avoid letsencrypt very strict rate limits, the default issuer is
+`letsencrypt-staging`. If certmanager is working properly, change it to
+`letsencrypt-prod`. Please updated the email address in the configuration, too.
+
+```sh
+$ kubectl apply -f human-connection/certmanager/
 ```
 
 #### Legacy data migration
diff --git a/certmanager/ingress.yaml b/human-connection/certmanager/ingress.yaml
similarity index 84%
rename from certmanager/ingress.yaml
rename to human-connection/certmanager/ingress.yaml
index d0ef9a2af..4e55adaf2 100644
--- a/certmanager/ingress.yaml
+++ b/human-connection/certmanager/ingress.yaml
@@ -10,10 +10,10 @@ metadata:
 spec:
   tls:
   - hosts:
-    - master.nitro.human-connection.org
+    - nitro-master.human-connection.org
     secretName: quickstart-example-tls
   rules:
-  - host: master.nitro.human-connection.org
+  - host: nitro-master.human-connection.org
     http:
       paths:
       - path: /
diff --git a/certmanager/issuer-production.yaml b/human-connection/certmanager/issuer-production.yaml
similarity index 91%
rename from certmanager/issuer-production.yaml
rename to human-connection/certmanager/issuer-production.yaml
index 6977a2178..93090b160 100644
--- a/certmanager/issuer-production.yaml
+++ b/human-connection/certmanager/issuer-production.yaml
@@ -8,7 +8,7 @@ spec:
     # The ACME server URL
     server: https://acme-v02.api.letsencrypt.org/directory
     # Email address used for ACME registration
-    email: letsencrypt-prod@roschaefer.de
+    email: yourmail@example.org
     # Name of a secret used to store the ACME account private key
     privateKeySecretRef:
       name: letsencrypt-prod
diff --git a/certmanager/issuer-staging.yaml b/human-connection/certmanager/issuer-staging.yaml
similarity index 91%
rename from certmanager/issuer-staging.yaml
rename to human-connection/certmanager/issuer-staging.yaml
index ef0f40faa..c7b4e0cc3 100644
--- a/certmanager/issuer-staging.yaml
+++ b/human-connection/certmanager/issuer-staging.yaml
@@ -8,7 +8,7 @@ spec:
     # The ACME server URL
     server: https://acme-staging-v02.api.letsencrypt.org/directory
     # Email address used for ACME registration
-    email: letsencrypt-staging@roschaefer.de
+    email: yourmail@example.org
     # Name of a secret used to store the ACME account private key
     privateKeySecretRef:
       name: letsencrypt-staging