Dynamic headings in columns when using relative prompts

Summary

Would like to be able to change the heading dynamically to proper formatting for our business, without hardcoding. We are using relative to prompt for accounting period, Year Level

Content

How can the member name for an accounting period be changed to have it show the fiscal year (ie/2018-2019) in its entirety when using a relative prompt for accounting period, level 2.

in the General Ledger, the labels are March 2019, and 2019 and so on..

correct formatting	2019-2020	2018-2019		titles using relative prompts - not correct	March 2019	2018
Financial Assets:				Financial Assets:
Cash (Schedule 2)	0	0		Cash	0	0
Investments (Schedule 2)	0	0		Investments	0	0
Accounts receivable				Accounts receivable