diff --git a/shared-bindings/busio/UART.c b/shared-bindings/busio/UART.c
index 5f1d301b675be..4714c3ee0733a 100644
--- a/shared-bindings/busio/UART.c
+++ b/shared-bindings/busio/UART.c
@@ -368,14 +368,14 @@ static mp_obj_t busio_uart_obj_reset_input_buffer(mp_obj_t self_in) {
     return mp_const_none;
 }
 static MP_DEFINE_CONST_FUN_OBJ_1(busio_uart_reset_input_buffer_obj, busio_uart_obj_reset_input_buffer);
-//| class Parity:
-//|     """Enum-like class to define the parity used to verify correct data transfer."""
+//|     class Parity:
+//|         """Enum-like class to define the parity used to verify correct data transfer."""
 //|
-//|     ODD: int
-//|     """Total number of ones should be odd."""
+//|         ODD: int
+//|         """Total number of ones should be odd."""
 //|
-//|     EVEN: int
-//|     """Total number of ones should be even."""
+//|         EVEN: int
+//|         """Total number of ones should be even."""
 //|
 //|
 const mp_obj_type_t busio_uart_parity_type;