diff --git a/os/ports/GCC/ARMCMx/STM32F4xx/cmparams.h b/os/ports/GCC/ARMCMx/STM32F4xx/cmparams.h
index 02cef5923..b41149952 100644
--- a/os/ports/GCC/ARMCMx/STM32F4xx/cmparams.h
+++ b/os/ports/GCC/ARMCMx/STM32F4xx/cmparams.h
@@ -27,7 +27,7 @@
 
 /**
  * @file    GCC/ARMCMx/STM32F4xx/cmparams.h
- * @brief   ARM Cortex-M3 parameters for the STM32F4xx.
+ * @brief   ARM Cortex-M4 parameters for the STM32F4xx.
  *
  * @defgroup ARMCMx_STM32F4xx STM32F4xx Specific Parameters
  * @ingroup ARMCMx_SPECIFIC