Update content

Author: Clare Zheng (Shanghai Wicresoft Co Ltd)

articles/data-factory/connector-servicenow.md

@@ -147,7 +147,7 @@ To copy data from ServiceNow, set the source type in the copy activity to **Serv
 | Property | Description | Required |
 |:--- |:--- |:--- |
 | type | The type property of the copy activity source must be set to: **ServiceNowV2Source** | Yes |
-| expression| Use the expression to read data. You can configure the expression in **Query builder**. It has the same usage as the condition builder in ServiceNow. For instructions on how to use it, see this [article](https://docs.servicenow.com/bundle/vancouver-platform-user-interface/page/use/common-ui-elements/concept/c_ConditionBuilder.html). You can also [use expression parameter](#using-expression-parameter).| No |
+| expression| Use the expression to read data. You can configure the expression in **Query builder**. It has the same usage as the condition builder in ServiceNow. For instructions on how to use it, see this [article](https://docs.servicenow.com/bundle/vancouver-platform-user-interface/page/use/common-ui-elements/concept/c_ConditionBuilder.html). You can also [use expression parameters](#using-expression-parameter).| No |
 | *Under `expression`* |  |  |
 | type | The expression type. Values can be Constant (default), Unary, Binary, and Field.  | No  |
 | value | The constant value. |Yes when the expression type is Constant or Field |
@@ -201,7 +201,7 @@ To copy data from ServiceNow, set the source type in the copy activity to **Serv
 ]
 ```
 
-### Using expression parameter
+### Using expression parameters
 
 You can configure the expression parameter in **Query builder** by selecting **Add dynamic content**. The parameter type should be **Object**, and the value should follow the format shown in the example JSON below:
 
@@ -224,7 +224,7 @@ You can configure the expression parameter in **Query builder** by selecting **A
 }
 ```
 
-Below is an example of the source JSON when utilizing the expression parameter:
+Here is an example of the source JSON using the expression parameter:
 
 ```json
 "activities": [