diff --git a/ch09.asciidoc b/ch09.asciidoc
index 3b829c69..c9514ae9 100644
--- a/ch09.asciidoc
+++ b/ch09.asciidoc
@@ -131,7 +131,7 @@ One of the first alt-coins, released in 2011, Litecoin is the second most succes
 Dogecoin was released in December of 2013, based on a fork of Litecoin. Dogecoin is notable because it has a monetary policy of rapid issuance and a very high currency cap, to encourage spending and tipping. Dogecoin is also notable because it was started as a joke but became quite popular, with a large and active community, before declining rapidly in 2014. 
 
 * Block generation time: 60 seconds
-* Total currency: 100,000,000,000 (100 trillion) Doge by 2015
+* Total currency: 100,000,000,000 (100 billion) Doge by 2015
 * Consensus algorithm: scrypt Proof-of-Work
 * Market capitalization: $12 million USD in Summer 2014