# Corrections to “Winding Around”

• Page 24, Figure 2.1; the coordinate $$\phi(P)$$ should be $$x/(1-y)$$, not $$y/(1-x)$$.
• Page 123, Displayed equation in the proof of Proposition 7.1.3, $$\sum \lambda_i v_i$$ should be $$\sum \lambda_i w_i$$.