diff --git a/README b/README
index 607776f2a4..cda6a93cd6 100644
--- a/README
+++ b/README
@@ -156,7 +156,7 @@ Bug reports should be filed at http://bugs.ruby-lang.org
 
 == The Author
 
-Ruby was originally designed and developped by Yukihiro Matsumoto (Matz) in 1995.
+Ruby was originally designed and developed by Yukihiro Matsumoto (Matz) in 1995.
 
 <mailto:matz@ruby-lang.org>