Add missing structure words and fix a typo due to non-native pronunciation

Change-Id: I5f3483941c4fc00d438142570967c279c5be09b3
Reviewed-on: https://gerrit.libreoffice.org/c/help/+/203049
Tested-by: Jenkins
Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
1 file changed