Apply Kalyanis suggestions from code review

Co-authored-by: Kalyani Desai <[email protected]>

serverlessworkflow/modules/ROOT/pages/core/understanding-jq-expressions.adoc

@@ -20,7 +20,7 @@ JQ expression might be tricky to master, for non trivial cases, it is recommende
 [[ref-example-jq-expression-function]]
 == Example  of jq expression in functions
 
-Expressions can be used in functions of type `expression` to manipulate the workflow model. As with any other function, the result of the expression evaluation will be merged into the model
+Expressions can be used in functions of type `expression` to manipulate the workflow model. As with any other function, the result of the expression evaluation will be merged into the model.
 
 For example, in the link:{kogito_sw_examples_url}/serverless-workflow-expression-quarkus[`serverless-workflow-expression-quarkus`] example application, a max function adds to the model two properties: `max`, containing the maximum value of `x` coordinate in the `numbers` array (which is a workflow input parameter) and `min`, containing the minimum value of `y` coordinate
 
@@ -253,7 +253,7 @@ So, assuming you have added to your `application.properties` a line with the `my
 }
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-`$SECRET` always returns a value of type string. If you want to use it in a comparison with a value that is not a string, you need to perform the conversion explicitly. In the next example, the `retries` property is a number, so we need to convert the property value accordingly by calling the `tonumber` built-in jq function. 
+`$SECRET` always returns a value of type string. If you want to use it in a comparison with a value that is not a string, you must perform the conversion explicitly. In the next example, the `retries` property is a number, so we need to convert the property value accordingly by calling the `tonumber` built-in jq function. 
 
 [source,json]
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