diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h
index 5a129ecf85..ade64b4fb5 100644
--- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h
+++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h
@@ -297,9 +297,9 @@ TU_ATTR_ALWAYS_INLINE static inline uint32_t pcd_get_ep_rx_cnt(USB_TypeDef * USB
 #ifdef FSDEV_BUS_32BIT
   (void) USBx;
   /* WA: few cycles for RX PMA descriptor to update, otherwise doesn't return the correct value.
-     Note: required for G0, U5, H5 etc. 
+     Note: required for G0, U5, H5 etc.
   This workaround is ported from stm32h5xx_hal_pcd.h and fixes the issue when calling this function fast enough.
-  Reproduced with GCC ast optimization(O2/O3) and stm32h573i_dk with an high frequency. 
+  Reproduced with GCC ast optimization(O2/O3) and stm32h573i_dk with an high frequency.
   Observed on Windows 10 where tud_task() is scheduled by interrupt handler.
   */
   volatile uint32_t count = 10; // defined as PCD_RX_PMA_CNT in stm32 hal_driver