Fix Common Name in Ingress TLS example to match the name used in example yaml.

Author: psykulsk

content/en/docs/concepts/services-networking/ingress.md

@@ -411,7 +411,7 @@ type: kubernetes.io/tls
 Referencing this secret in an Ingress tells the Ingress controller to
 secure the channel from the client to the load balancer using TLS. You need to make
 sure the TLS secret you created came from a certificate that contains a Common
-Name (CN), also known as a Fully Qualified Domain Name (FQDN) for `sslexample.foo.com`.
+Name (CN), also known as a Fully Qualified Domain Name (FQDN) for `https-example.foo.com`.
 
 {{< codenew file="service/networking/tls-example-ingress.yaml" >}}