"The provider constructs the validation domain name by prepending a provider-relevant prefix followed by "-challenge" to the domain name being validated"
And then we use an underscore prefix in the example. We should clarify in the text as well that we should use an underscore.
In 3.1 we say
"The provider constructs the validation domain name by prepending a provider-relevant prefix followed by "-challenge" to the domain name being validated"
And then we use an underscore prefix in the example. We should clarify in the text as well that we should use an underscore.