message: format configuration file
  Fix typo and format code and json related parts.
diff: @@ -13,7 +13,7 @@ There are three main JSON clauses in a configuration file:
  ## Solver ##
  -**NOTE**: The Solver clause need not to be included and will be ignored when included if you are using [Low-level Training API](./python_interface.md#low-level-training-api) of HugeCTR Python Interface.
  +**NOTE**: The Solver clause needs not to be included and will be ignored when included if you are using [Low-level Training API](./python_interface.md#low-level-training-api) of HugeCTR Python Interface.
  The solver clause contains the configuration for training resource and task items, which include the following parameters:
  * `lr_policy`: Only currently supports `fixed`.
  @@ -801,7 +801,7 @@ Example:
  "name": "elu2",
  "type": "ELU",
  "bottom": "fc2",
  - "top": "elu2"
  + "top": "elu2",
  "elu_param": {
  "alpha": 1.0,
  }
  