format doc description

docs/content.zh/docs/connectors/pipeline-connectors/elasticsearch.md

@@ -169,12 +169,12 @@ Pipeline Connector Options
       <td>optional</td>
       <td style="word-wrap: break-word;">(none)</td>
       <td>Long</td>
-      <td>每个表的分片后缀字段，允许为多个表设置分片后缀字段。默认sink表名为test_table${suffix_key}。默认分片字段为第一个分区列。表之间用';'分隔。表和字段之间用‘:’分割。例如，我们设置sharding.suffix.key为'table1:col1;table2:col2'。</td>
+      <td>每个表的分片后缀字段，允许为多个表设置分片后缀字段。默认sink表名为test_table${suffix_key}。默认分片字段为第一个分区列。表之间用';'分隔。表和字段之间用':'分割。例如，我们设置sharding.suffix.key为'table1:col1;table2:col2'。</td>
     </tr>
     <tr>
       <td>sharding.suffix.separator</td>
       <td>optional</td>
-      <td style="word-wrap: break-word;">`_`</td>
+      <td style="word-wrap: break-word;">"_"</td>
       <td>String</td>
       <td>用于分割表名称和分片后缀的分隔符。默认是 '_'。如果设置为 '-'，那么表名称会是 `test_table-${suffix}`。</td>
     </tr>

docs/content/docs/connectors/pipeline-connectors/elasticsearch.md

@@ -169,14 +169,14 @@ Pipeline Connector Options
       <td>optional</td>
       <td style="word-wrap: break-word;">(none)</td>
       <td>Long</td>
-      <td>Sharding suffix key for each table, allow setting sharding suffix key for multiTables.Default sink table name is test_table${suffix_key}.Default sharding column is first partition column.Tables are separated by ';'.Table and column are separated by ':'.For example, we can set sharding.suffix.key by 'table1:col1;table2:col2'.</td>
+      <td>Sharding suffix key for each table, allow setting sharding suffix key for multiTables.Default sink table name is 'test_table${suffix_key}'.Default sharding column is first partition column.Tables are separated by ';'.Table and column are separated by ':'.For example, we can set sharding.suffix.key by 'table1:col1;table2:col2'.</td>
     </tr>
     <tr>
       <td>sharding.suffix.separator</td>
       <td>optional</td>
-      <td style="word-wrap: break-word;">`_`</td>
+      <td style="word-wrap: break-word;">"_"</td>
       <td>String</td>
-      <td>Separator for sharding suffix in table names, allow defining the separator between table name and sharding suffix. Default value is '_'. For example, if set to '-', the default table name would be `test_table-${suffix}`</td>
+      <td>Separator for sharding suffix in table names, allow defining the separator between table name and sharding suffix. Default value is '_'. For example, if set to '-', the default table name would be 'test_table-${suffix}'</td>
     </tr>
     </tbody>
 </table>