gnucash maint: Correct Price Overview documentation typos

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/a783c8e3 (commit)
	from  https://github.com/Gnucash/gnucash/commit/38344caa (commit)



commit a783c8e38ff38a448f97c7b257504dea07e04509
Author: Kristjan Onu <k at omnel.ml>
Date:   Sat Aug 19 16:49:28 2017 -0400

    Correct Price Overview documentation typos
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786525



Summary of changes:
 src/doc/prices.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)