diff --git a/ch10_network.adoc b/ch10_network.adoc
index ecb1bda5..cf0bd3c6 100644
--- a/ch10_network.adoc
+++ b/ch10_network.adoc
@@ -496,7 +496,7 @@ an extended period((("Bitcoin network", "nodes", "syncing blockchain", startref=
 [[spv_nodes]]
 === Lightweight Clients
 
-Many Bitcoin clients are designed to run on space- and
+Many ((("Bitcoin network", "lightweight clients", id="bitcoin-network-lightweight")))((("lightweight clients", id="lightweight")))((("SPV (simplified-payment-verification) clients", id="spv-lightweight")))Bitcoin clients are designed to run on space- and
 power-constrained devices, such as smartphones, tablets, or embedded
 systems. For such devices, a _simplified payment verification_ (SPV)
 method is used to allow them to operate without validating the full
@@ -594,7 +594,7 @@ incoming and outgoing transactions.
 Bloom filters allow lightweight clients to receive a subset of
 the transactions without directly revealing precisely which addresses they are
 interested in, through a filtering mechanism that uses probabilities
-rather than fixed patterns.
+rather than ((("Bitcoin network", "lightweight clients", startref="bitcoin-network-lightweight")))((("lightweight clients", startref="lightweight")))((("SPV (simplified-payment-verification) clients", startref="spv-lightweight")))fixed patterns.
 
 [[bloom_filters]]
 === Bloom Filters