Update language

Author: davidhou17

source/reference/json.txt

@@ -10,8 +10,9 @@
    :depth: 1
    :class: singlecol
 
-The {+atlas-cli+} accepts ``.json`` configuration files. You can use a 
-configuration file to specify settings when using the {+atlas-cli+} to:
+If an {+atlas-cli+} command accepts the ``--file`` option, you can pass 
+a ``.json`` configuration file to define specific settings. For example, 
+you can pass a configuration file when using the {+atlas-cli+} to:
 
 - :ref:`Create <atlas-clusters-create>`, :ref:`update <atlas-clusters-update>`, 
   or :ref:`upgrade a cluster <atlas-clusters-upgrade>`.
@@ -25,7 +26,7 @@ Usage
 To learn which settings are accepted by the {+atlas-cli+}, view the request 
 body schema and copy the request samples in the :ref:`Atlas Admin API Specification 
 <api-resources-spec>` for the endpoint that corresponds to the {+atlas-cli+} 
-command:
+command. The commands you can use include but are not limited to:
 
 .. list-table::
   :header-rows: 1