fix minor typo

Signed-off-by: Brian Fallik <[email protected]>

docs/k8s/README.md

@@ -32,7 +32,7 @@ There are quite a few ways of running Tailscale inside a Kubernetes Cluster, som
    ```
 
 ### Sample Sidecar
-Running as a sidecar allows you to directly expose a Kubernetes pod over Tailscale. This is particularly useful if you do not wish to expose a service on the public internet. This method allows bi-directional connectivty between the pod and other devices on the Tailnet. You can use [ACLs](https://tailscale.com/kb/1018/acls/) to control traffic flow.
+Running as a sidecar allows you to directly expose a Kubernetes pod over Tailscale. This is particularly useful if you do not wish to expose a service on the public internet. This method allows bi-directional connectivity between the pod and other devices on the Tailnet. You can use [ACLs](https://tailscale.com/kb/1018/acls/) to control traffic flow.
 
 1. Create and login to the sample nginx pod with a Tailscale sidecar
 
@@ -144,4 +144,4 @@ routes for the subnet-router are enabled.
    # INTERNAL_IP="$(kubectl get po <POD_NAME> -o=jsonpath='{.status.podIP}')" 
    INTERNAL_PORT=8080 
    curl http://$INTERNAL_IP:$INTERNAL_PORT
-   ```
+   ```