diff --git a/nip77/negentropy/negentropy.go b/nip77/negentropy/negentropy.go
index b433119..2376819 100644
--- a/nip77/negentropy/negentropy.go
+++ b/nip77/negentropy/negentropy.go
@@ -56,7 +56,7 @@ func (n *Negentropy) String() string {
 	return fmt.Sprintf("<Negentropy %s with %d items>", label, n.storage.Size())
 }
 
-func (n *Negentropy) Initiate() string {
+func (n *Negentropy) Start() string {
 	n.initialized = true
 	n.isClient = true
 
diff --git a/nip77/negentropy/storage/vector/vector.go b/nip77/negentropy/storage/vector/vector.go
index 80062db..3fa78eb 100644
--- a/nip77/negentropy/storage/vector/vector.go
+++ b/nip77/negentropy/storage/vector/vector.go
@@ -22,8 +22,8 @@ func New() *Vector {
 }
 
 func (v *Vector) Insert(createdAt nostr.Timestamp, id string) error {
-	if len(id)/2 != 32 {
-		return fmt.Errorf("bad id size for added item: expected %d, got %d", 32, len(id)/2)
+	if len(id) != 64 {
+		return fmt.Errorf("bad id size for added item: expected %d bytes, got %d", 32, len(id)/2)
 	}
 
 	item := negentropy.Item{Timestamp: createdAt, ID: id}
diff --git a/nip77/negentropy/whatever_test.go b/nip77/negentropy/whatever_test.go
index 1da0ad4..3c81115 100644
--- a/nip77/negentropy/whatever_test.go
+++ b/nip77/negentropy/whatever_test.go
@@ -79,12 +79,12 @@ func runTestWith(t *testing.T,
 		n1 = negentropy.New(n1s, 1<<16)
 		for _, r := range n1Ranges {
 			for i := r[0]; i < r[1]; i++ {
-				n1s.Insert(events[i].CreatedAt, events[1].ID)
+				n1s.Insert(events[i].CreatedAt, events[i].ID)
 			}
 		}
 		n1s.Seal()
 
-		q = n1.Initiate()
+		q = n1.Start()
 	}
 
 	{
@@ -92,7 +92,7 @@ func runTestWith(t *testing.T,
 		n2 = negentropy.New(n2s, 1<<16)
 		for _, r := range n2Ranges {
 			for i := r[0]; i < r[1]; i++ {
-				n2s.Insert(events[i].CreatedAt, events[1].ID)
+				n2s.Insert(events[i].CreatedAt, events[i].ID)
 			}
 		}
 		n2s.Seal()
diff --git a/nip77/nip77.go b/nip77/nip77.go
index a40a931..ebefbf6 100644
--- a/nip77/nip77.go
+++ b/nip77/nip77.go
@@ -59,7 +59,7 @@ func NegentropySync(ctx context.Context, store nostr.RelayStore, url string, fil
 		return err
 	}
 
-	msg := neg.Initiate()
+	msg := neg.Start()
 	open, _ := OpenEnvelope{id, filter, msg}.MarshalJSON()
 	err = <-r.Write(open)
 	if err != nil {