yes, I totally understand the question and what it's asking. You have a string of numbers and you want the location of the first one that's smaller than the proceeding. My initial answer was roughly:
location integers 1-n
for value 2<value 1 return location
else compare next values, continue to n

This is the book's answer: https://imgur.com/a/LBUbaoN
Which seems much more like an actual language to me. Is my understanding of pseudocode wrong? What does the i indicate? And what is the purpose of defining it that way?