diff --git a/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModel.ts b/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModel.ts
index b9cf9f594ec..7b903a74d90 100644
--- a/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModel.ts
+++ b/src/vs/workbench/contrib/notebook/browser/viewModel/notebookViewModel.ts
@@ -249,7 +249,7 @@ export class NotebookViewModel extends Disposable implements EditorFoldingStateD
 				this._decorationsTree.acceptReplace(diff[0], diff[1], diff[2].length, true);
 				deletedCells.forEach(cell => {
 					this._handleToViewCellMapping.delete(cell.handle);
-					// dispsoe the cell to release ref to the cell text document
+					// dispose the cell to release ref to the cell text document
 					cell.dispose();
 				});