Add usage notes when no arguments supplied.
Add usage notes when no arguments supplied.

thrig/scripts,princeofdarkness76/sial.org-scripts,princeofdarkness76/sial.org-scripts,thrig/scripts,thrig/scripts,thrig/scripts,princeofdarkness76/sial.org-scripts,princeofdarkness76/sial.org-scripts,princeofdarkness76/sial.org-scripts,thrig/scripts,thrig/scripts