diff --git a/History.rdoc b/History.rdoc
index 49d3b3a63..079e65dcb 100644
--- a/History.rdoc
+++ b/History.rdoc
@@ -14,7 +14,7 @@
   Pull request #183 by @aycabta.
 * Make LoadError from running tests more obvious. Pull request #195
   by Eric Hodel.
-* Fix unexpected TypeError with hash stayle option. Pull request #202
+* Fix unexpected TypeError with hash style option. Pull request #202
   by Kuniaki IGARASHI.
 
 === 12.0.0