The Alphabet that you see has been revised by the Spanish Royal Academy Spelling Reform of 2010. The Alphabet was reduced to 27 letters. The CH, RR and LL is no longer considered letters but is still used in the Spanish language. Standardizes names and spellings also has changed well only certain letters example:
Letter B = be (rather than be larga or be alta)
Letter V = uve (rather than be corta or be chica)
Letter W = doble uve (rather than ve doble, uve doble, doble ve, doble u
Letter Y = ye (rather than i griega which is still used among spanish speakers)
Letter Z = The spelling was standardized as ceta with a C and not a Z as in Zeta.