How to add additional information in "Salesforce for slack" approval notification wizard

Dear All,

I am new to the "salesforce for slack" app.

I have a requirement to add the name of the application in the slack approval notification wizard.

Below is the example and Steps :

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1)  Open the "Sales" application in the salesforce organization.

2)  Create a new Account in the "Sales" application in salesforce org.

3)  Click the "Submit for Approval" button.

4)  Received slack approval notification with "Approve" and "Reject buttons in slack. like the below screenshot.

In the above screen highlighted place, need to add the application name like this "Sook Fung is requesting approval for account (Sales)"

Currently in the above screen                : "Sook Fung is requesting approval for account".

Need to Change as per my requirement: "Sook Fung is requesting approval for account (Sales)"

Can anyone help/suggest/guide me to achieve my requirement?

Thank you very much in advance

Regards,