diff --git a/besu/src/main/java/org/hyperledger/besu/controller/BesuControllerBuilder.java b/besu/src/main/java/org/hyperledger/besu/controller/BesuControllerBuilder.java
index d1e04d451b..f749b4fe78 100644
--- a/besu/src/main/java/org/hyperledger/besu/controller/BesuControllerBuilder.java
+++ b/besu/src/main/java/org/hyperledger/besu/controller/BesuControllerBuilder.java
@@ -829,6 +829,7 @@ public abstract class BesuControllerBuilder implements MiningParameterOverrides
    * Create synchronizer synchronizer.
    *
    * @param protocolSchedule the protocol schedule
+   * @param currentProtocolSpecSupplier the protocol spec supplier
    * @param worldStateStorageCoordinator the world state storage
    * @param protocolContext the protocol context
    * @param ethContext the eth context