diff --git a/cmd/fpga_admissionwebhook/README.md b/cmd/fpga_admissionwebhook/README.md
index c41e4502..611575d4 100644
--- a/cmd/fpga_admissionwebhook/README.md
+++ b/cmd/fpga_admissionwebhook/README.md
@@ -66,7 +66,7 @@ $ kubectl describe pod kube-apiserver --namespace kube-system | grep -i no_proxy
 
 In case there's no output and your cluster was deployed with `kubeadm` open
 `/etc/kubernetes/manifests/kube-apiserver.yaml` at the control plane nodes and
-append `.svc` to the `no_proxy` environment variable:
+append `.svc` and `.svc.cluster.local` to the `no_proxy` environment variable:
 
 ```yaml
 apiVersion: v1
@@ -85,10 +85,17 @@ spec:
     - name: https_proxy
       value: http://proxy.host:8433
     - name: no_proxy
-      value: 127.0.0.1,localhost,.example.com,10.0.0.0/8,.svc
+      value: 127.0.0.1,localhost,.example.com,10.0.0.0/8,.svc,.svc.cluster.local
     ...
 ```
 
+**Note:** To build clusters using `kubeadm` with the right `no_proxy` settings from the very beginning,
+set the cluster service names to `$no_proxy` before `kubeadm init`:
+
+```
+$ export no_proxy=$no_proxy,.svc,.svc.cluster.local
+```
+
 ### Deployment
 
 To deploy the webhook, run
diff --git a/cmd/operator/README.md b/cmd/operator/README.md
index 662d2489..0fb28cb8 100644
--- a/cmd/operator/README.md
+++ b/cmd/operator/README.md
@@ -41,7 +41,7 @@ $ kubectl describe pod kube-apiserver --namespace kube-system | grep -i no_proxy
 
 In case there's no output and your cluster was deployed with `kubeadm` open
 `/etc/kubernetes/manifests/kube-apiserver.yaml` at the control plane nodes and
-append `.svc` to the `no_proxy` environment variable:
+append `.svc` and `.svc.cluster.local` to the `no_proxy` environment variable:
 
 ```yaml
 apiVersion: v1
@@ -60,10 +60,17 @@ spec:
     - name: https_proxy
       value: http://proxy.host:8433
     - name: no_proxy
-      value: 127.0.0.1,localhost,.example.com,10.0.0.0/8,.svc
+      value: 127.0.0.1,localhost,.example.com,10.0.0.0/8,.svc,.svc.cluster.local
     ...
 ```
 
+**Note:** To build clusters using `kubeadm` with the right `no_proxy` settings from the very beginning,
+set the cluster service names to `$no_proxy` before `kubeadm init`:
+
+```
+$ export no_proxy=$no_proxy,.svc,.svc.cluster.local
+```
+
 Finally deploy the operator itself:
 
 ```