Fixed example link error

site/docs/api/column-options.md

@@ -332,7 +332,7 @@ The column options is defined in `jQuery.fn.bootstrapTable.columnDefaults`.
 
 - **Default:** `undefined`
 
-- **Example:** [Column Sorter](https://examples.bootstrap-table.com/#column-options/column-sorter.html)
+- **Example:** [Column Sorter](https://examples.bootstrap-table.com/#column-options/sorter.html)
 
 ## visible