diff --git a/ch04_keys.adoc b/ch04_keys.adoc
index 4613363b..684466c7 100644
--- a/ch04_keys.adoc
+++ b/ch04_keys.adoc
@@ -752,9 +752,9 @@ version prefixes and the resulting base58 characters are shown in
 </table>
 ++++
 
-Putting together public keys, hash-based commitments, and base58check
-encoding, we can see the illustration of the conversion of a public key
-into a Bitcoin address((("public key cryptography", "base58check encoding", startref="pub-key-base58")))((("base58check encoding", startref="base58-ch4")))((("encoding", "base58check", startref="encode-base58")))((("version prefixes", startref="version-prefix"))) in <<pubkey_to_address>>.
+Combining public keys, hash-based commitments, and base58check
+encoding, <<pubkey_to_address>> illustrates the conversion of a public key
+into a Bitcoin ((("public key cryptography", "base58check encoding", startref="pub-key-base58")))((("base58check encoding", startref="base58-ch4")))((("encoding", "base58check", startref="encode-base58")))((("version prefixes", startref="version-prefix")))address.
 
 [[pubkey_to_address]]
 .Public key to Bitcoin address: conversion of a public key into a Bitcoin address