diff --git a/rt-thread-version/rt-thread-standard/programming-manual/device/i2c/i2c.md b/rt-thread-version/rt-thread-standard/programming-manual/device/i2c/i2c.md
index 05301316d398bfdffa5cf5cdbf1433603c1ba22a..d4d914e9e9efb1b786a27c7f4e8509191c521651 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/device/i2c/i2c.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/device/i2c/i2c.md
@@ -151,7 +151,7 @@ static rt_err_t read_regs(struct rt_i2c_bus_device *bus, rt_uint8_t len, rt_uint
 
 以下两个读写函数封装自 rt_i2c_transfer() 函数，用于读写I2C从设备的数据，更加简单易用，推荐使用。
 
-从 I2C 从设备发送数据：
+向 I2C 从设备发送数据：
 
 ```c
 rt_size_t rt_i2c_master_send(struct rt_i2c_bus_device *bus,