Customized Expired Contact Contain I.e. Subject, contain header

We would like to update certain fields in the contract expiry notification generated from Enterprise Contracts. Currently, the value (0 EUR) is pointing to an incorrect field. This should either be updated to reflect the agreed contract amount or be removed if updating it is not possible. We understand that this notification appears to be triggered from the BPM Worklist. Please advise whether this notification (including the subject and content) can be configured or customized. As part of our initial analysis, we attempted to locate the relevant RTF template for this notification but were unable to find one. Could you