diff --git a/ch11_blockchain.adoc b/ch11_blockchain.adoc
index f352040e..b1557227 100644
--- a/ch11_blockchain.adoc
+++ b/ch11_blockchain.adoc
@@ -476,6 +476,7 @@ ____
 
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+[role="less_space pagebreak-before"]
 The same method for constructing a tree from four transactions can be
 generalized to construct trees of any size. In Bitcoin it is common to
 have several thousand transactions in a single