Title:  Oracle Data Guard 11g Handbook
ISBN-10:   0071621113
Author: Larry Carpenter et al
Print:  1st Printing

Page 93

the fourth from last line of rman code reads: 

sql channel stby "alter database recover managed standby database using current logfile disconnect";

it should be:

sql channel stby1 "alter database recover managed standby database using current logfile disconnect";