diff --git a/ruby/rubygem-msgpack/README b/ruby/rubygem-msgpack/README
index 9bb3b18347..e56f0e6306 100644
--- a/ruby/rubygem-msgpack/README
+++ b/ruby/rubygem-msgpack/README
@@ -1,3 +1,3 @@
-MessagePack is a binary-based efficient object serialization library. It
-enables to exchange structured objects between many languages like JSON. But
-unlike JSON, it is very fast and small.
+MessagePack is a binary-based efficient object serialization
+library. It enables to exchange structured objects between many
+languages like JSON. But unlike JSON, it is very fast and small.