diff --git a/ch12_mining.adoc b/ch12_mining.adoc
index ff9cf2ed..34e48eb4 100644
--- a/ch12_mining.adoc
+++ b/ch12_mining.adoc
@@ -563,6 +563,7 @@ created and to convey a message. Currently,
 miners often use the coinbase data to include extra nonce values and strings
 identifying the mining pool.
 
+[role="less_space pagebreak-before"]
 The first few bytes of the coinbase used to be arbitrary, but that is no
 longer the case. As per BIP34, version-2 blocks (blocks with the
 version field set to 2 or higher) must contain the block height as a script