Amendment of article 5 of and Schedule 2 to the principal Scheme

4.  Article 5 of and Schedule 2 to the principal Scheme shall be amended by substituting

(a) for the word “wife” wherever it appears the word “spouse”;

(b) for the words “his” and “her” wherever they appear the words “his or her”; and

(c) for the word “he” wherever it appears the words “he or she”.