diff --git a/appb_errata.adoc b/appb_errata.adoc
index 75288d5d..177cfcf9 100644
--- a/appb_errata.adoc
+++ b/appb_errata.adoc
@@ -1,7 +1,7 @@
 [appendix]
 == Errata to the Bitcoin Whitepaper
 
-This appendix contains a description of known problems in Satoshi Nakamoto’s paper, "Bitcoin:
+This ((("Bitcoin whitepaper", "errata", id="bitcoin-whitepaper-errata")))((("whitepaper (Bitcoin)", "errata", id="whitepaper-errata")))appendix contains a description of known problems in Satoshi Nakamoto’s paper, "Bitcoin:
 A Peer-to-Peer Electronic Cash System," as well as notes on terminology
 changes and how Bitcoin's implementation differs from that described in
 the paper.
@@ -238,6 +238,6 @@ into a single document.
 https://oreil.ly/xZeBR[CC0] 1.0 Universal
 Public Domain Dedication
 
-For updates made after the publication of this book, please see the
+For updates made after the publication of this book, ((("Bitcoin whitepaper", "errata", startref="bitcoin-whitepaper-errata")))((("whitepaper (Bitcoin)", "errata", startref="whitepaper-errata")))please see the
 https://oreil.ly/ygExa[Original
 document].