diff --git a/pages.zh/common/stty.md b/pages.zh/common/stty.md
index 9e340dd72..595a5ad9f 100644
--- a/pages.zh/common/stty.md
+++ b/pages.zh/common/stty.md
@@ -17,7 +17,7 @@
 
 - 获取设备的实际传输速度:
 
-`stty -f {{目标 / 文件夹 / 驱动设备文件}} speed`
+`stty -F {{目标 / 文件夹 / 驱动设备文件}} speed`
 
 - 将当前终端的所有模式重置为合理值:
 
diff --git a/pages/common/stty.md b/pages/common/stty.md
index 42f8f95b6..b9ad7f79e 100644
--- a/pages/common/stty.md
+++ b/pages/common/stty.md
@@ -17,7 +17,7 @@
 
 - Get the actual transfer speed of a device:
 
-`stty -f {{path/to/device_file}} speed`
+`stty -F {{path/to/device_file}} speed`
 
 - Reset all modes to reasonable values for the current terminal: