diff --git a/ch07_authorization-authentication.adoc b/ch07_authorization-authentication.adoc
index 4a244734..6d66d0d9 100644
--- a/ch07_authorization-authentication.adoc
+++ b/ch07_authorization-authentication.adoc
@@ -1842,7 +1842,7 @@ creating and auditing((("scriptless multisignatures", startref="scriptless-multi
 [[taproot]]
 === Taproot
 
-One reason ((("scripts", "MAST", "taproot", id="script-mast-taproot")))((("MAST (merklized alternative script trees)", "taproot", id="mast-taproot")))((("merkle trees", "MAST", "taproot", id="merkle-tree-mast-taproot")))((("taproot", id="taproot")))((("mutual satisfaction contracts", "taproot", id="mutual-satisfaction-taproot")))people choose to use Bitcoin is that it's possible to create
+One reason ((("scripts", "MAST", "taproot", id="script-mast-taproot")))((("MAST (merklized alternative script trees)", "taproot", id="mast-taproot")))((("merkle trees", "MAST", "taproot", id="merkle-tree-mast-taproot")))((("taproot", id="taproot-ch7")))((("mutual satisfaction contracts", "taproot", id="mutual-satisfaction-taproot")))people choose to use Bitcoin is that it's possible to create
 contracts with highly predictable outcomes.  Legal contracts enforced by
 a court of law depend in part on decisions by the judges and jurors
 involved in the case.  By contrast, Bitcoin contracts often require
@@ -1938,7 +1938,7 @@ all users benefit from the increased anonymity set of outputs looking
 similar to each other, that rare overhead was not considered important
 by most users who participated in taproot's activation.
 
-Support for taproot was added to Bitcoin in a soft fork that ((("scripts", "MAST", "taproot", startref="script-mast-taproot")))((("MAST (merklized alternative script trees)", "taproot", startref="mast-taproot")))((("merkle trees", "MAST", "taproot", startref="merkle-tree-mast-taproot")))((("taproot", startref="taproot")))((("mutual satisfaction contracts", "taproot", startref="mutual-satisfaction-taproot")))activated
+Support for taproot was added to Bitcoin in a soft fork that ((("scripts", "MAST", "taproot", startref="script-mast-taproot")))((("MAST (merklized alternative script trees)", "taproot", startref="mast-taproot")))((("merkle trees", "MAST", "taproot", startref="merkle-tree-mast-taproot")))((("taproot", startref="taproot-ch7")))((("mutual satisfaction contracts", "taproot", startref="mutual-satisfaction-taproot")))activated
 in November 2021.
 
 === Tapscript