diff --git a/src/atsamd/serial.c b/src/atsamd/serial.c
index fd7dcaacf..54c3cede9 100644
--- a/src/atsamd/serial.c
+++ b/src/atsamd/serial.c
@@ -74,7 +74,7 @@ SERCOM0_Handler(void)
     }
 }
 
-// Aliases for irq handeler on SAMD51
+// Aliases for irq handler on SAMD51
 void SERCOM0_0_Handler(void)
     __visible __attribute__((alias("SERCOM0_Handler")));
 void SERCOM0_1_Handler(void)