diff --git a/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_key.c b/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_key.c
index cdd1f2f222..f9fbf9fa41 100644
--- a/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_key.c
+++ b/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_key.c
@@ -30,7 +30,7 @@ static struct button key2;
 static struct button key_wkup;
 
 /*---- user codes area begin ----*/
-/*ssers can modify according to needs*/
+/*users can modify according to needs*/
 static void key0_BtnCallback(void* state)
 {
     rt_kprintf("key0!\n");