fdo#70978 Improve Word Count display

Change-Id: I82b81d2fd33be47987268fbd3b32d461a136acf8
Reviewed-on: https://gerrit.libreoffice.org/6479
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>