From 925ee5d3259452ef8eff1f5c403b3c5d20179fb9 Mon Sep 17 00:00:00 2001
From: rating89us <45968869+rating89us@users.noreply.github.com>
Date: Sat, 27 Feb 2021 23:25:20 +0100
Subject: [PATCH] ch07: add pruning definition

---
 ch07.asciidoc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ch07.asciidoc b/ch07.asciidoc
index 74b3d70f..bf699a0e 100644
--- a/ch07.asciidoc
+++ b/ch07.asciidoc
@@ -1009,7 +1009,7 @@ Without transaction fees, the growth in bitcoin data would arguably increase dra
 
 The calculation of fees based on transaction size treats all the data in the transaction as equal in cost. But from the perspective of full nodes and miners, some parts of a transaction carry much higher costs. Every transaction added to the bitcoin network affects the consumption of four resources on nodes:
 
-Disk Space :: Every transaction is stored in the blockchain, adding to the total size of the blockchain. The blockchain is stored on disk, but the storage can be optimized by “pruning” older transactions.
+Disk Space :: Every transaction is stored in the blockchain, adding to the total size of the blockchain. The blockchain is stored on disk, but the storage can be optimized by “pruning” (deleting) older transactions.
 
 CPU :: Every transaction must be validated, which requires CPU time.