diff --git a/ch09.asciidoc b/ch09.asciidoc
index c9bb0557..d681849c 100644
--- a/ch09.asciidoc
+++ b/ch09.asciidoc
@@ -168,9 +168,9 @@ Proof of stake is a system by which existing owners of a currency can "stake" cu
 * Consensus algorithm: Multi-algorithm proof-of-work
 * Market capitalization: $120,000 in mid-2014
 
-*Blackcoin*
+===== Blackcoin
 
-((("Blackcoin")))Blackcoin was introduced in February 2014 and uses a Proof-Of-Stake consensus algorithm. It is also notable for the introduction of "multipools," a type of mining pool that can switch between different alt-coins automatically, depending on profitability. 
+((("Blackcoin")))Blackcoin was introduced in February 2014 and uses a proof-of-stake consensus algorithm. It is also notable for introducing "multipools," a type of mining pool that can switch between different alt-coins automatically, depending on profitability. 
 
 * Block generation: 1 minute
 * Total currency: No limit