Add note about protocol-relative URLs
Add note about protocol-relative URLs

gabr1e11/gabr1e11.github.io,gabr1e11/gabr1e11.github.io,gabr1e11/gabr1e11.github.io,gabr1e11/gabr1e11.github.io,gabr1e11/robcgabriell,gabr1e11/robcgabriell,gabr1e11/robcgabriell,gabr1e11/robcgabriell