Errata for printed version available here (PDF has been corrected).
Errata

Finished measurements
43 (48, 52, 57, 61, 66)“ / 109 (122, 132, 144.5, 155, 167.5) cm bust circumference
Shown in size 48” / 122 cm
Suggested ease: Positive 12–16” / 30.5–40.5 cm

Yarn
Lyonesse DK by Blacker Yarns (50% Falklands wool, 50% linen; 50 g / 119 yd / 110 m)
• 11 (12, 14, 16, 18, 20) balls in Quartz
OR
1300 (1425, 1665, 1900, 2140, 2380) yd / 1190 (1300, 1520, 1735, 1955, 2175) m of DK weight yarn