I think it would be a good addition. Sure, there's other places on the web, but enter ISO into http://www.acronymfinder.com/
and you get 40 answers (is it Industry Standards Organization (IEEE-ISTO)?), CAPA gets you 19 (Computer Aided Problem Analysis, Computer Assisted Personalized Approach or Corrective Action/Preventative Action?) SPC nets 82 (is it Software Process Control or Statistical Process Control?).
Folks with some prior knowlege can pick out what it probably is, but students or new quality people could get lost.