gnucash maint: US Tax Report: Minor rewording for easier I18N

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/bc5e54ae (commit)
	from  https://github.com/Gnucash/gnucash/commit/72ab7041 (commit)



commit bc5e54ae6160666328264a0745feb76f4bcccdb8
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Tue Mar 2 00:37:41 2021 +0100

    US Tax Report: Minor rewording for easier I18N



Summary of changes:
 .../report/reports/locale-specific/us/taxtxf.scm   | 64 +++++++++++++---------
 1 file changed, 38 insertions(+), 26 deletions(-)