diff --git a/lib/phony_rails/locales/ja.yml b/lib/phony_rails/locales/ja.yml
index f527c88..abbb17c 100644
--- a/lib/phony_rails/locales/ja.yml
+++ b/lib/phony_rails/locales/ja.yml
@@ -1,4 +1,4 @@
 ja:
   errors:
     messages:
-      improbable_phone: "は正し電話番号ではありません"
+      improbable_phone: "は正しい電話番号ではありません"
diff --git a/spec/lib/validators/phony_validator_spec.rb b/spec/lib/validators/phony_validator_spec.rb
index c264bff..2c75223 100644
--- a/spec/lib/validators/phony_validator_spec.rb
+++ b/spec/lib/validators/phony_validator_spec.rb
@@ -177,7 +177,7 @@ class MismatchedHelpfulHome < ActiveRecord::Base
       I18n.with_locale(:ja) do
         @home.phone_number = INVALID_NUMBER
         @home.valid?
-        @home.errors.messages.should include(:phone_number => ["は正し電話番号ではありません"])
+        @home.errors.messages.should include(:phone_number => ["は正しい電話番号ではありません"])
       end
     end