diff --git a/ch03.asciidoc b/ch03.asciidoc
index 393e70f1..aeab3edc 100644
--- a/ch03.asciidoc
+++ b/ch03.asciidoc
@@ -537,7 +537,7 @@ ae24cb02204b9f039ff08df09cbe9f6addac960298cad530a863ea8f53982c09db8f6e3813014&#x
 
 [TIP]
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-((("transactions", "transaction IDs")))((("malleability")))Transaction IDs are not authoritative until a transaction has been confirmed. Absence of a transaction hash in the blockchain does not mean the transaction was not processed. This is known as "transaction malleability," because transaction hashes can be modified prior to confirmation in a block. After confirmation, the txid is immutable and authoritative.
+((("transaction IDs (txd)")))((("malleability")))Transaction IDs are not authoritative until a transaction has been confirmed. Absence of a transaction hash in the blockchain does not mean the transaction was not processed. This is known as "transaction malleability," because transaction hashes can be modified prior to confirmation in a block. After confirmation, the txid is immutable and authoritative.
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 The command +getrawtransaction+ returns a serialized transaction in hexadecimal notation. To decode that, we use the +decoderawtransaction+ command, passing the hex data as a parameter. You can copy the hex returned by +getrawtransaction+ and paste it as a parameter to +decoderawtransaction+: