gnucash maint: Fix a typo in a translator comment

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/444d9541 (commit)
	from  https://github.com/Gnucash/gnucash/commit/69454043 (commit)



commit 444d9541161b78edaa953fedd08d73a9b5356bc1
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Fri Sep 11 03:16:01 2020 +0200

    Fix a typo in a translator comment



Summary of changes:
 doc/tip_of_the_day.list.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)