diff --git a/ch07.asciidoc b/ch07.asciidoc
index a580eeb8..24cf94c8 100644
--- a/ch07.asciidoc
+++ b/ch07.asciidoc
@@ -597,4 +597,4 @@ A few more things to consider when reading this example. See if you can find the
 
 * How do the partners "reset" the clock every 29 or 89 days to prevent the lawyer from accessing the funds?
 
-* Why do some +CHECKSIG+ opcodes in this script have the +VERIFY+ suffix while others don't?((("", startref="Bscript07")))
+* Why do some +CHECKSIG+ opcodes in this script have the +VERIFY+ suffix while others don't?((("", startref="Bscript07")))((("", startref="Tadv07")))