diff --git a/ch12_mining.adoc b/ch12_mining.adoc
index f5bfa26d..10b92007 100644
--- a/ch12_mining.adoc
+++ b/ch12_mining.adoc
@@ -1958,7 +1958,7 @@ described next.
 [[bip9]]
 ==== BIP9 Signaling and Activation
 
-The mechanism used by BIP34, BIP66, and BIP65 was
+The ((("consensus rules", "soft forks", "BIP9 signaling/activation", id="consensus-soft-bip9")))((("forks", "soft forks", "BIP9 signaling/activation", id="fork-soft-bip9")))((("soft forks", "BIP9 signaling/activation", id="soft-fork-bip9")))((("signaling", "BIP9", id="signal-bip9")))((("activation (soft forks)", "BIP9", id="activation-bip9")))((("BIP9 signaling/activation", id="bip9")))mechanism used by BIP34, BIP66, and BIP65 was
 successful in activating three soft forks. However, it was replaced
 because it had several limitations:
 
@@ -2049,7 +2049,7 @@ BIP9 was first implemented for the activation of +CHECKSEQUENCEVERIFY+
 and associated BIPs (68, 112, 113). The proposal named "csv" was
 activated successfully in July of 2016.
 
-The standard is defined in
+The ((("consensus rules", "soft forks", "BIP9 signaling/activation", startref="consensus-soft-bip9")))((("forks", "soft forks", "BIP9 signaling/activation", startref="fork-soft-bip9")))((("soft forks", "BIP9 signaling/activation", startref="soft-fork-bip9")))((("signaling", "BIP9", startref="signal-bip9")))((("activation (soft forks)", "BIP9", startref="activation-bip9")))((("BIP9 signaling/activation", startref="bip9")))standard is defined in
 https://oreil.ly/FoCsz[BIP9
 (Version bits with timeout and delay)].