diff --git a/ch07_authorization-authentication.adoc b/ch07_authorization-authentication.adoc
index 2b193991..bf9d05f9 100644
--- a/ch07_authorization-authentication.adoc
+++ b/ch07_authorization-authentication.adoc
@@ -1474,7 +1474,7 @@ important scenarios, which are addressed in the next section:
 
 ===== Embedding segregated witness inside P2SH
 
-Let's assume, for example, that Alice's wallet is not upgraded to
+Let's assume,((("embedded segregated witness")))((("P2SH (pay to script hash)", "embedded segregated witness"))) for example, that Alice's wallet is not upgraded to
 segwit, but Bob's wallet is upgraded and can handle segwit transactions.
 Alice and Bob can use legacy non-segwit outputs. But Bob would
 likely want to use segwit to reduce transaction fees, taking advantage