diff --git a/locales/ja.json b/locales/ja.json
index d430b2a49..7ebe25339 100644
--- a/locales/ja.json
+++ b/locales/ja.json
@@ -363,7 +363,7 @@
     "search_filters_features_option_location": "場所",
     "search_filters_features_option_hdr": "HDR",
     "Current version: ": "現在のバージョン: ",
-    "next_steps_error_message": "以下をお試してください: ",
+    "next_steps_error_message": "以下をお試しください: ",
     "next_steps_error_message_refresh": "再読み込み",
     "next_steps_error_message_go_to_youtube": "YouTubeを開く",
     "search_filters_duration_option_short": "4分未満",
@@ -396,7 +396,7 @@
     "download_subtitles": "字幕 - `x` (.vtt)",
     "search_filters_features_option_purchased": "購入済み",
     "preferences_quality_option_dash": "DASH (適応的画質)",
-    "preferences_quality_dash_option_worst": "最悪",
+    "preferences_quality_dash_option_worst": "最低",
     "preferences_quality_dash_option_best": "最高",
     "videoinfo_started_streaming_x_ago": "`x`前に配信を開始",
     "videoinfo_watch_on_youTube": "YouTubeで視聴",