diff --git a/frontend/app_flowy/packages/appflowy_editor/lib/src/editor_state.dart b/frontend/app_flowy/packages/appflowy_editor/lib/src/editor_state.dart
index 00613fa16b..efa82472ab 100644
--- a/frontend/app_flowy/packages/appflowy_editor/lib/src/editor_state.dart
+++ b/frontend/app_flowy/packages/appflowy_editor/lib/src/editor_state.dart
@@ -145,7 +145,7 @@ class EditorState {
       completer.complete();
       return completer.future;
     }
-    // TODO: validate the transation.
+    // TODO: validate the transaction.
     for (final op in transaction.operations) {
       _applyOperation(op);
     }