diff --git a/arch/arc/core/swap.S b/arch/arc/core/swap.S
index 29f50266106..6096dd19489 100644
--- a/arch/arc/core/swap.S
+++ b/arch/arc/core/swap.S
@@ -71,7 +71,7 @@ SECTION_FUNC(TEXT, __swap)
 	st _CAUSE_COOP, [r2, _thread_offset_to_relinquish_cause]
 
 	/*
-         * Carve space for the return value. Setting it to a defafult of
+         * Carve space for the return value. Setting it to a default of
          * -EAGAIN eliminates the need for the timeout code to set it.
          * If another value is ever needed, it can be modified with
          * _set_thread_return_value().
diff --git a/arch/x86/core/swap.S b/arch/x86/core/swap.S
index dc585ca21ff..b57cf00cef5 100644
--- a/arch/x86/core/swap.S
+++ b/arch/x86/core/swap.S
@@ -127,7 +127,7 @@ SECTION_FUNC(TEXT, __swap)
 	pushl	%ebp
 
 	/*
-	 * Carve space for the return value. Setting it to a defafult of
+	 * Carve space for the return value. Setting it to a default of
 	 * -EAGAIN eliminates the need for the timeout code to set it.
 	 * If another value is ever needed, it can be modified with
 	 * _set_thread_return_value().