diff --git a/ch07_authorization-authentication.adoc b/ch07_authorization-authentication.adoc
index b859141d..e62fa07f 100644
--- a/ch07_authorization-authentication.adoc
+++ b/ch07_authorization-authentication.adoc
@@ -1267,7 +1267,7 @@ inside a P2SH script.
 [[p2wpkh]]
 ===== Pay to witness public key hash (P2WPKH)
 
-Let's start by looking at the example of a P2PKH
+Let's start ((("P2WPKH (pay to witness public key hash)", id="p2wpkh")))((("output scripts", "P2WPKH (pay to witness public key hash)", id="output-script-p2wpkh")))by looking at the example of a P2PKH
 output script:
 
 .Example P2PKH output script
@@ -1349,7 +1349,7 @@ P2WPKH should be constructed by the receiver by converting a compressed
 public key to a P2WPKH hash. Neither the spender nor anyone else should
 ever transform a P2PKH script, Bitcoin address, or uncompressed public
 key to a P2WPKH witness script.  In general, a spender should only send
-to the receiver in the manner that the receiver indicated.
+to the receiver in the manner that the receiver ((("P2WPKH (pay to witness public key hash)", startref="p2wpkh")))((("output scripts", "P2WPKH (pay to witness public key hash)", startref="output-script-p2wpkh")))indicated.
 ====
 
 [[p2wsh]]