Update README.md

Author: waacton

README.md

@@ -77,7 +77,7 @@ var unicolour = Unicolour.FromHsb(327.6, 0.922, 1.0);
 var unicolour = Unicolour.FromHsl(327.6, 1.0, 0.539);
 var unicolour = Unicolour.FromHwb(327.6, 0.078, 0.0);
 var unicolour = Unicolour.FromXyz(0.4676, 0.2387, 0.2974);
-var unicolour = Unicolour.FromXyy(0.4658, 0.2378, 0.2387)
+var unicolour = Unicolour.FromXyy(0.4658, 0.2378, 0.2387);
 var unicolour = Unicolour.FromLab(55.96, +84.54, -5.7);
 var unicolour = Unicolour.FromLchab(55.96, 84.73, 356.1);
 var unicolour = Unicolour.FromLuv(55.96, +131.47, -24.35);