diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index f0a3eda8213..4900bc21914 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -3806,7 +3806,7 @@ copying.
          Previous versions compared the raw memory disregarding the item format
          and the logical array structure.
 
-   .. method:: tobytes(order=None)
+   .. method:: tobytes(order='C')
 
       Return the data in the buffer as a bytestring.  This is equivalent to
       calling the :class:`bytes` constructor on the memoryview. ::