diff --git a/app/src/main/res/values-ja-rJP/strings.xml b/app/src/main/res/values-ja-rJP/strings.xml
index 1a031923f..74720ee95 100644
--- a/app/src/main/res/values-ja-rJP/strings.xml
+++ b/app/src/main/res/values-ja-rJP/strings.xml
@@ -299,5 +299,8 @@
ビューフォート
一日の概要
毎時のデータから一日の概要を生成して表示
+ システム
+ Precipitation shows the forecast amount of rainfall expected during each hour. Larger amounts indicate heavier rain
+ Snowfall shows the forecast amount of snow expected during each hour. Higher values indicate greater snow accumulation