gnucash-docs maint: Typo fixes

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/76f4d573 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/05227420 (commit)



commit 76f4d573dbd8aa20e8d0ad730ecb1e172d03734b
Author: mikeweilgart <mikeweilgart at gmail.com>
Date:   Tue Jul 24 23:58:22 2018 -0700

    Typo fixes



Summary of changes:
 guide/C/ch_txns.xml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)