Fix the hyphen in "Wi-Fi" to use an actual hyphen instead

If one were to change the system font to something else, the hyphen in "Wi-Fi" would appear as a box since it can't find the character. This fixes it and uses actual hyphens so they will appear properly when the system font is changed.

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>