Fix yaml formatting

Looks like prettier messed it up :(

docs/exposing-eventlisteners.md

@@ -33,7 +33,24 @@ services can be found
 3. Create the Ingress resource. A sample Ingress is below. Check the docs
    [here](https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/)
    for a full range of configuration options.
-   `YAML apiVersion: extensions/v1beta1 kind: Ingress metadata: name: ingress-resource namespace: getting-started annotations: kubernetes.io/ingress.class: nginx nginx.ingress.kubernetes.io/ssl-redirect: "false" spec: rules: - http: paths: - path: / backend: serviceName: getting-started-listener-b8rqz # REPLACE WITH YOUR SERVICE NAME FROM STEP 2 servicePort: 8080`
+```yaml
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: ingress-resource
+  namespace: getting-started
+  annotations:
+    kubernetes.io/ingress.class: nginx
+    nginx.ingress.kubernetes.io/ssl-redirect: "false"
+spec:
+  rules:
+  - http:
+      paths:
+      - path: /
+        backend:
+          serviceName: getting-started-listener-b8rqz # REPLACE WITH YOUR SERVICE NAME FROM STEP 2
+          servicePort: 8080
+```
 
 4. Try it out! Get the address of the Ingress by running
    `kubectl get ingress ingress-resource` and noting the address field. You can