Merge pull request #4962 from wenzhixin/docs/4960

Improve reorder-rows extension docs

site/docs/extensions/reorder-rows.md

@@ -104,7 +104,9 @@ if you want you can include the bootstrap-table-reorder-rows.css file to use the
 
 - **Detail:**
 
-   This is the cursor to use
+   This is the cursor element.
+
+   **Note: This option is mainly used to adapt to the `TableDnD` plugin. Under no special circumstances, please do not modify the default value.**
 
 - **Default:** `>tbody>tr>td`