diff --git a/ch10_network.adoc b/ch10_network.adoc
index 335f33ef..d2a78282 100644
--- a/ch10_network.adoc
+++ b/ch10_network.adoc
@@ -1126,7 +1126,7 @@ client.
 
 === Encrypted and Authenticated Connections
 
-Most new users of
+Most new((("Bitcoin network", "encryption")))((("encryption", "Tor transport")))((("Tor transport"))) users of
 Bitcoin assume that the network communications of a Bitcoin node are
 encrypted. In fact, the original implementation of Bitcoin communicates
 entirely in the clear, as does the modern implementation of Bitcoin Core
@@ -1144,7 +1144,7 @@ network that offers encryption and encapsulation of data through
 randomized network paths that offer anonymity, untraceability and
 privacy.
 
-Bitcoin Core offers several configuration options that allow you to run
+Bitcoin Core ((("Bitcoin Core", "Tor transport")))offers several configuration options that allow you to run
 a Bitcoin node with its traffic transported over the Tor network. In
 addition, Bitcoin Core can also offer a Tor hidden service allowing
 other Tor nodes to connect to your node directly over Tor.