public void setComment(String comment) {
        this.comment = comment;
    }
<p>
The new comment for the hosted zone. If you don't specify a value for <code>Comment</code>, Amazon Route 53
deletes the existing value of the <code>Comment</code> element, if any.
</p>

@param comment
       The new comment for the hosted zone. If you don't specify a value for <code>Comment</code>, Amazon Route
       53 deletes the existing value of the <code>Comment</code> element, if any.
aws-java-sdk-route53/src/main/java/com/amazonaws/services/route53/model/UpdateHostedZoneCommentRequest.java