message: docs: update SNI FAQ.
  Fixes
diff: @@ -22,7 +22,7 @@ The following is a YAML example of the above requirement.
  config: {}
  filter_chains:
  - filter_chain_match:
  - server_names: "example.com"
  + server_names: ["example.com", "www.example.com"]
  tls_context:
  common_tls_context:
  tls_certificates:
  @@ -31,23 +31,29 @@ The following is a YAML example of the above requirement.
  filters:
  - name: envoy.http_connection_manager
  config:
  + stat_prefix: ingress_http
  route_config:
  virtual_hosts:
  - - routes:
  + - name: default
  + domains: "*"
  + routes:
  - match: { prefix: "/" }
  route: { cluster: service_foo }
  - filter_chain_match:
  - server_names: "www.example.com"
  + server_names: "api.example.com"
  tls_context:
  common_tls_context:
  tls_certificates:
  - - certificate_chain: { filename: "www_example_com_cert.pem" }
  - private_key: { filename: "www_example_com_key.pem" }
  + - certificate_chain: { filename: "api_example_com_cert.pem" }
  + private_key: { filename: "api_example_com_key.pem" }
  filters:
  - name: envoy.http_connection_manager
  config:
  + stat_prefix: ingress_http
  route_config:
  virtual_hosts:
  - - routes:
  + - name: default
  + domains: "*"
  + routes:
  - match: { prefix: "/" }
  route: { cluster: service_foo }
  