In Section 9.4 there's a sentence with an extra word

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Edition Second
Version number 3.0h
Submission date 11/7/2016
Your name Chanud Yasanayake
E-mail address cyasanay@caltech.edu
Chapter 9.4
Page number 9-23
Line number -4
Current status Pending

"We see that the s+a term it does not appear" shouldn't have the "it".