diff --git a/i18n/en_US.json b/i18n/en_US.json
index dcdd322..d9113ac 100644
--- a/i18n/en_US.json
+++ b/i18n/en_US.json
@@ -21,7 +21,7 @@
     "特征检索库文件路径": "Feature search database file path",
     "特征文件路径": "Feature file path",
     ">=3则使用对harvest音高识别的结果使用中值滤波，数值为滤波半径，使用可以削弱哑音": ">=3:using median filter for f0. The number is median filter radius.",
-    "特征检索库文件路径,为空则使用下拉的选择结果": "Feature file path. If null, use dropdown result.",
+    "特征检索库文件路径,为空则使用下拉的选择结果": "Feature index file path. If null, use dropdown result.",
     "自动检测index路径,下拉式选择(dropdown)": "Auto detect index path in logs directory. Dropdown.",
     "检索特征占比": "Search feature ratio",
     "后处理重采样至最终采样率，0为不进行重采样": "Post resample the audio to the final sample rate. Default: don't use post resample.",