From 4552f1816b194b22befb199d0adc3a67df2344b3 Mon Sep 17 00:00:00 2001
From: Peter Hinch <peter@hinch.me.uk>
Date: Fri, 10 Sep 2021 14:02:35 +0100
Subject: [PATCH] docs/library/machine.I2S.rst: Specify that I2S.shift args are
 kw-only.

---
 docs/library/machine.I2S.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/library/machine.I2S.rst b/docs/library/machine.I2S.rst
index 45877a5ae0..d64fba33e4 100644
--- a/docs/library/machine.I2S.rst
+++ b/docs/library/machine.I2S.rst
@@ -134,7 +134,7 @@ Methods
   Setting a callback changes the ``write`` and ``readinto`` methods to non-blocking operation.
   ``handler`` is called in the context of the MicroPython scheduler.
   
-.. staticmethod::  I2S.shift(buf, bits, shift)
+.. staticmethod::  I2S.shift(*, buf, bits, shift)
 
   bitwise shift of all samples contained in ``buf``. ``bits`` specifies sample size in bits. ``shift`` specifies the number of bits to shift each sample. 
   Positive for left shift, negative for right shift.