diff --git a/internal/core/crdt/composite.go b/internal/core/crdt/composite.go
index 510d47d7e4..213c0828e0 100644
--- a/internal/core/crdt/composite.go
+++ b/internal/core/crdt/composite.go
@@ -101,7 +101,7 @@ func NewCompositeDAG(
 }
 
 // Set returns a new composite DAG delta CRDT with the given status.
-func (c CompositeDAG) Set(status client.DocumentStatus) *CompositeDAGDelta {
+func (c CompositeDAG) Append(status client.DocumentStatus) *CompositeDAGDelta {
 	return &CompositeDAGDelta{
 		DocID:           []byte(c.key.DocID),
 		SchemaVersionID: c.schemaVersionKey.SchemaVersionID,
diff --git a/internal/merkle/crdt/composite.go b/internal/merkle/crdt/composite.go
index 862541bf8f..6bbbf029c5 100644
--- a/internal/merkle/crdt/composite.go
+++ b/internal/merkle/crdt/composite.go
@@ -61,12 +61,12 @@ func (m *MerkleCompositeDAG) Clock() *clock.MerkleClock {
 func (m *MerkleCompositeDAG) Delete(
 	ctx context.Context,
 ) (cidlink.Link, []byte, error) {
-	delta := m.reg.Set(client.Deleted)
+	delta := m.reg.Append(client.Deleted)
 	return m.clock.AddDelta(ctx, delta)
 }
 
 // Save the value of the composite CRDT to DAG.
 func (m *MerkleCompositeDAG) Save(ctx context.Context, links []coreblock.DAGLink) (cidlink.Link, []byte, error) {
-	delta := m.reg.Set(client.Active)
+	delta := m.reg.Append(client.Active)
 	return m.clock.AddDelta(ctx, delta, links...)
 }