diff --git a/ch07.asciidoc b/ch07.asciidoc
index 235e5573..bfbd3ef2 100644
--- a/ch07.asciidoc
+++ b/ch07.asciidoc
@@ -5,7 +5,7 @@
 [[ch07_intro]]
 === Introduction
 
-((("bitcoin", "scripting", id="Bscript07")))In the previous chapter, we introduced the basic elements of bitcoin transactions and looked at the most common type of transaction script, the Pay-to-Public-Key-Hash script. In this chapter we will look at more advanced scripting and how we can use it to build transactions with complex conditions.
+In the previous chapter, we introduced the basic elements of bitcoin transactions and looked at the most common type of transaction script, the Pay-to-Public-Key-Hash script. In this chapter we will look at more advanced scripting and how we can use it to build transactions with complex conditions.
 
 First, we will look at _multisignature_ scripts. Next we will examine the second most common transaction script, _Pay-to-Script-Hash_, which opens up a whole world of complex scripts. Then, we will examine new script operators that add a time-dimension to bitcoin, through _timelocks_.
 
@@ -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")))((("", startref="Tadv07")))((("", startref="Scomplex07")))
+* Why do some +CHECKSIG+ opcodes in this script have the +VERIFY+ suffix while others don't?((("", startref="Tadv07")))((("", startref="Scomplex07")))