* Only the character set and length will be validated.
* The character set consists of ASCII alphanumeric characters, hyphens, and periods.
* Its length is guaranteed to be representable by a single byte.
- * This serialization is used by BOLT 7 hostnames.
+ * This serialization is used by [`BOLT 7`] hostnames.
+ *
+ * [`BOLT 7`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md
*/
@SuppressWarnings("unchecked") // We correctly assign various generic arrays
public class Hostname extends CommonBase {