I think you've got it. Adding the glyph's HTML symbol (defined here: http://fortawesome.github.io/Font-Awesome/cheatsheet/) to the button's alt-text will do the trick!
I think you've got it. Adding the glyph's HTML symbol (defined here: http://fortawesome.github.io/Font-Awesome/cheatsheet/) to the button's alt-text will do the trick!