Match Drilling Spinner RV-12

I am trying to locate the following information. Any ideas where Section 5.18 might be? Nothing in the builders plans that I can locate.

"If required, refer to Section 5.18 MATCH-DRILLING OPAQUE FIBERGLASS PARTS"

https://www.vansaircraft.com/faq/section-5-general-information/

I found a laser easier to use in some areas.

(https://turnerb14a.blogspot.com/search?q=laser)