diff --git a/mps-sync-plugin-lib/src/main/kotlin/org/modelix/mps/sync/transformation/mpsToModelix/initial/NodeSynchronizer.kt b/mps-sync-plugin-lib/src/main/kotlin/org/modelix/mps/sync/transformation/mpsToModelix/initial/NodeSynchronizer.kt
index f100fd89..2c46ab7d 100644
--- a/mps-sync-plugin-lib/src/main/kotlin/org/modelix/mps/sync/transformation/mpsToModelix/initial/NodeSynchronizer.kt
+++ b/mps-sync-plugin-lib/src/main/kotlin/org/modelix/mps/sync/transformation/mpsToModelix/initial/NodeSynchronizer.kt
@@ -92,7 +92,11 @@ class NodeSynchronizer(
             val mpsValue = mpsNode.getProperty(it)
             cloudNode.setPropertyValue(modelixProperty, mpsValue)
         }
-        // Save MPS Node ID explicitly. If you change this property here, please also change above where we check if the node already exists in its parent.
+        /*
+         * Save MPS Node ID explicitly.
+         * If you change this property here, please also change in method 'throwExceptionIfChildExists', where we use
+         * node.nodeId.toString() to check if the node already exists.
+         */
         cloudNode.setPropertyValue(PropertyFromName(NodeData.ID_PROPERTY_KEY), mpsNode.nodeId.toString())
 
         // synchronize references