Update README

Author: Simple-Tracker

README.en.md

@@ -120,7 +120,7 @@ Usually, occasional errors can be ignored. The reasons may be: 1. Network proble
 | --debug | false | Debug mode. Effective before loading config file |
 | --startdelay | 0 (Sec, Disable) | Start delay. Special uses for some user |
 | --nochdir | false | Don't change working directory. Change to the program directory by default |
-| --reghotkey | true | Register window hotkey. The window hotkey is fixed to CTRL+ALT+B |
+| --reghotkey | true | Register window hotkey. Only available on Windows. The window hotkey is fixed to CTRL+ALT+B |
 | --hidewindow | false | Hide window by default. Only available on Windows |
 | --hidesystray | false | Hide systray by default. Only available on Windows |
 

README.md

@@ -120,7 +120,7 @@
 | --debug | false (禁用) | 调试模式. 加载配置文件前生效 |
 | --startdelay | 0 (秒, 禁用) | 启动延迟. 部分用户的特殊用途 |
 | --nochdir | false (禁用) | 不切换工作目录. 默认会切换至程序目录 |
-| --reghotkey | true (启用) | 注册窗口热键. 窗口热键固定为 CTRL+ALT+B |
+| --reghotkey | true (启用) | 注册窗口热键. 仅 Windows 可用. 窗口热键固定为 CTRL+ALT+B |
 | --hidewindow | false (禁用) | 默认隐藏窗口. 仅 Windows 可用 |
 | --hidesystray | false (禁用) | 默认隐藏托盘图标. 仅 Windows 可用 |