diff --git a/ch03_bitcoin-core.adoc b/ch03_bitcoin-core.adoc
index 7addddc4..7a267429 100644
--- a/ch03_bitcoin-core.adoc
+++ b/ch03_bitcoin-core.adoc
@@ -60,7 +60,7 @@ major parts of the system, the Bitcoin whitepaper describes several
 early parts of the system.  Most major parts of the system since 2011
 have been documented in a set of
 https://oreil.ly/BCXAQ[Bitcoin Improvement
-Proposals (BIPs)].  Throughout((("Bitcoin Improvement Proposals (BIPs)"))) this book, we refer to BIP specifications
+Proposals (BIPs)].  Throughout((("BIPs (Bitcoin Improvement Proposals)")))((("Bitcoin Improvement Proposals", see="BIPs"))) this book, we refer to BIP specifications
 by their number; for example, BIP9 describes a mechanism used for
 several major upgrades to((("Bitcoin Core", "explained", startref="bitcoin-core-explain"))) Bitcoin.