diff --git a/src/question_matrixdynamic.ts b/src/question_matrixdynamic.ts
index 6f0ffa0c23..8dca2277bd 100644
--- a/src/question_matrixdynamic.ts
+++ b/src/question_matrixdynamic.ts
@@ -262,7 +262,7 @@ export class QuestionMatrixDynamicModel extends QuestionMatrixDropdownModelBase
     return res;
   }
   /**
-   * Specifies whether users can drag and drop matrix rows to reorder them.
+   * Specifies whether users can drag and drop matrix rows to reorder them. Applies only if [`columnLayout`](#columnLayout) is `"horizontal"`.
    *
    * Default value: `false`
    */