Example/table: fixed misspelling (#2673)

examples/docs/en-US/table.md

@@ -973,7 +973,7 @@ When the data structure is complex, you can use group header to show the data hi
 
 Single row selection is supported.
 
-:::demo Table supports single row selection. You can activate it by adding the `highlight-currnet-row` attribute. An event called `current-change` will be triggered when row selection changes, and its parameters are the rows after and before this change: `currentRow` and `oldCurrentRow`. If you need to display row index, you can add a new `el-table-column` with its `type` attribute assigned to `index`, and you will see the index starting from 1.
+:::demo Table supports single row selection. You can activate it by adding the `highlight-current-row` attribute. An event called `current-change` will be triggered when row selection changes, and its parameters are the rows after and before this change: `currentRow` and `oldCurrentRow`. If you need to display row index, you can add a new `el-table-column` with its `type` attribute assigned to `index`, and you will see the index starting from 1.
 ```html
 <template>
   <el-table