diff --git a/packages/sheets-formula/src/controllers/trigger-calculation.controller.ts b/packages/sheets-formula/src/controllers/trigger-calculation.controller.ts
index 0f944bab051..76e08bdba4e 100644
--- a/packages/sheets-formula/src/controllers/trigger-calculation.controller.ts
+++ b/packages/sheets-formula/src/controllers/trigger-calculation.controller.ts
@@ -82,7 +82,7 @@ export class TriggerCalculationController extends Disposable {
     private _restartCalculation = false;
 
     /**
-     *
+     * The mark of forced calculation. If a new mutation triggers dirty area calculation during the forced calculation process, forced calculation is still required.
      */
     private _forceCalculating = false;