diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 6483eb541..b58781235 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -2200,9 +2200,9 @@ pages:
       _mod:
         arg1: "A"
         arg2: "B"
-      round: "少数を丸める"
+      round: "小数を丸める"
       _round:
-        arg1: "数"
+        arg1: "数値"
       eq: "AとBが同じ"
       _eq:
         arg1: "A"