Github user xuchuanyin commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/2554#discussion_r205043291
  
    --- Diff: docs/datamap/bloomfilter-datamap-guide.md ---
    @@ -26,7 +26,16 @@ Showing all DataMaps on this table
       SHOW DATAMAP
       ON TABLE main_table
       ```
    -It will show all DataMaps created on main table.
    +
    +Enable Datamap
    +  ```
    +  SET carbon.datamap.visible.dbName.tableName.dataMapName = true
    +  ```
    +
    +Disable Datamap
    +  ```
    +  SET carbon.datamap.visible.dbName.tableName.dataMapName = false
    --- End diff --
    
    please change it to
    ```
    // disable the datamap
    SET carbon.datamap.visible.dbName.tableName.dataMapName = false
    // enable the datamap
    SET carbon.datamap.visible.dbName.tableName.dataMapName = true
    ```


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