fix some typos; documentation, help and implementation seem to hopelessly contradict each other :(
fix some typos; documentation, help and implementation seem to hopelessly contradict each other :(

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb