On page 976, line 5 from bottom, section 3.5.2, in the definition of m* separation, 
the text starts "Sets X, Y and Z are said to be m*-separated if...".
it should read:  "Sets X and Y are said to be m*-separated given set Z if..."  
[Noted by Patrik Hoyer]

On p.1013 on lines 3 and 4 Phi(alpha --> beta) should both be Phi(beta --> alpha)  
[Noted by Masashi Miyamura]