Third-person singular simple present indicative form of instruct.(verb)
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Use "instructs" in a sentence
"• Never use a hotter iron than a label instructs without carefully testing it first in an inconspicuous area to be sure that the fabric will not scorch, glaze, or melt."
"Some of her advice may seem hard to swallow: Don't multitask, for one, and, as the title instructs us, don't read email in the morning."
"Specifically, I am thinking about the blue feather incident, where the reluctant Messiah of the title instructs our POV character, his equally reluctant disciple, on the principles of visualisation."