Hyperlink Secret

This little trick allows you to make a hyperlink in Canvas so that when students hover over the link a little message pops up in which you can make a directive or tip of what they are to do with that particular link. You make use of the Command + K keys. Actually, these keys allow a link-to in any application but in Canvas it adds the secret popup message capability.
Hyperlink Secret

Hyperlink in Canvas

This clip demonstrates a better hyperlink procedure so there is a hover over feature.
Hyperlink in Canvas