diff --git a/ch07_authorization-authentication.adoc b/ch07_authorization-authentication.adoc
index 29ae9ed0..d53c670c 100644
--- a/ch07_authorization-authentication.adoc
+++ b/ch07_authorization-authentication.adoc
@@ -513,7 +513,7 @@ P2SH means "pay to a script matching this hash, a script that will be
 presented later when this output is spent."
 
 In P2SH
-transactions, the script that is replaced by a hash is referred
+transactions, the script that is replaced by a hash is ((("redemption scripts")))referred
 to as the _redeem script_ because it is presented to the system at
 redemption time rather than as an output script. <<without_p2sh>> shows
 the script without P2SH and <<with_p2sh>> shows the same script encoded