change SNI domains to SNI domain names, explain the wildcard prefix (#3372)
change SNI domains to SNI domain names, explain the wildcard prefix (#3372)

Signed-off-by: Vadim Eisenberg <vadime@il.ibm.com>

Mirrored from https://github.com/envoyproxy/envoy @ cd1cd040abcd0c8b26146be3337f228b0f28fa95

lyft/envoy-api,lyft/envoy-api,lyft/envoy-api