Fix "RGB" typo to "RGBA" for the hex RGBA spec (#835)
Fix "RGB" typo to "RGBA" for the hex RGBA spec (#835)


mdn/browser-compat-data,chrisdavidmills/browser-compat-data,teoli2003/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data