diff --git a/ch12_mining.adoc b/ch12_mining.adoc
index 2465f690..16e6f595 100644
--- a/ch12_mining.adoc
+++ b/ch12_mining.adoc
@@ -696,6 +696,7 @@ that results in a hash that is less than the target.
 The mining node will need to test billions or trillions of variations of
 the header before a version is found that satisfies the((("bitcoins", "mining", "constructing block header", startref="bitcoin-mining-blockheader")))((("mining", "constructing block header", startref="mining-blockheader")))((("nodes", "miner nodes", "constructing block header", startref="nodes-miner-blockheader")))((("block header", "constructing", startref="block-header-construct"))) requirement.
 
+[role="less_space pagebreak-before"]
 === Mining the Block
 
 Now