gnucash-docs maint: New typo in README

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/ec170e33 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/9f13da03 (commit)



commit ec170e33861461717181e33fca247edc1494f1c0
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Fri Jun 18 09:31:08 2021 +0200

    New typo in README



Summary of changes:
 README | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)