Revert missing translations [ci skip]

IO should be actual class name.
2014-03-30 09:14:06 +09:00 · 2014-03-30 09:14:06 +09:00 · 8708d4241f
parent 006c05e2e1
commit 8708d4241f
1 changed files with 1 additions and 1 deletions
--- a/README.ja.md
+++ b/README.ja.md
@ -1744,7 +1744,7 @@ get "/" do
 end
 ```

-`request.body`は入出力またはStringIOのオブジェクトです。
+`request.body`はIOまたはStringIOのオブジェクトです。

 ``` ruby
 post "/api" do