reflect the fact we only support one file right now

locale/en_US.json

@@ -45,7 +45,7 @@
     "取消所有任务": "Cancel All Tasks",
     "可选，用于区分不同的模型": "Optional, used to distinguish different models",
     "启用的工具：": "Enabled tools: ",
-    "在工具箱中管理知识库文件": "Manage knowledge base files in the toolbox",
+    "在工具箱中管理知识库文件": "Refresh to upload a new knowledge file",
     "在线搜索": "Web search",
     "在这里输入": "Type in here",
     "在这里输入System Prompt...": "Type in System Prompt here...",
@@ -96,7 +96,7 @@
     "用户名": "Username",
     "由Bilibili [土川虎虎虎](https://space.bilibili.com/29125536)、[明昭MZhao](https://space.bilibili.com/24807452) 和 [Keldos](https://github.com/Keldos-Li) 开发<br />访问川虎Chat的 [GitHub项目](https://github.com/GaiZhenbiao/ChuanhuChatGPT) 下载最新版脚本": "Developed by Bilibili [土川虎虎虎](https://space.bilibili.com/29125536), [明昭MZhao](https://space.bilibili.com/24807452) and [Keldos](https://github.com/Keldos-Li)\n\nDownload latest code from [GitHub](https://github.com/GaiZhenbiao/ChuanhuChatGPT)",
     "知识库": "Knowledge base",
-    "知识库文件": "Knowledge base files",
+    "知识库文件": "Knowledge base file",
     "第一条提问": "By first question",
     "索引构建完成": "Indexing complete.",
     "网络": "Network",