diff --git a/ch10.asciidoc b/ch10.asciidoc
index 6fbc41c4..dad4e154 100644
--- a/ch10.asciidoc
+++ b/ch10.asciidoc
@@ -831,7 +831,7 @@ The following list shows the total hashing power of the bitcoin network, over th
 
 2009:: 0.5 MH/sec–8 MH/sec (16× growth)
 2010:: 8 MH/sec–116 GH/sec (14,500× growth)
-2011:: 16 GH/sec–9 TH/sec (562× growth)
+2011:: 116 GH/sec–9 TH/sec (78× growth)
 2012:: 9 TH/sec–23 TH/sec (2.5× growth)
 2013:: 23 TH/sec–10 PH/sec (450× growth)
 2014:: 10 PH/sec–300 PH/sec (3000× growth)