diff --git a/cluster-sharding-typed/src/main/scala/org/apache/pekko/cluster/sharding/typed/ShardingMessageExtractor.scala b/cluster-sharding-typed/src/main/scala/org/apache/pekko/cluster/sharding/typed/ShardingMessageExtractor.scala
index f9e70b03c4..324af3a39e 100644
--- a/cluster-sharding-typed/src/main/scala/org/apache/pekko/cluster/sharding/typed/ShardingMessageExtractor.scala
+++ b/cluster-sharding-typed/src/main/scala/org/apache/pekko/cluster/sharding/typed/ShardingMessageExtractor.scala
@@ -118,7 +118,7 @@ abstract class HashCodeNoEnvelopeMessageExtractor[M](val numberOfShards: Int) ex
  *
  * @param entityId The business domain identifier of the entity.
  * @param message The message to be send to the entity.
- * @throws pekko.actor.InvalidMessageException if message is null.
+ * @throws [[pekko.actor.InvalidMessageException]] if message is null.
  */
 final case class ShardingEnvelope[M](entityId: String, message: M) extends WrappedMessage {
   if (message == null) throw InvalidMessageException("[null] is not an allowed message")