Rewrite.

Author: serhiy-storchaka

Doc/library/functions.rst

@@ -1564,15 +1564,16 @@ are always available.  They are listed here in alphabetical order.
 
 .. function:: ord(character, /)
 
-   The argument must be a one-character string or a :class:`bytes` or
-   :class:`bytearray` object of length 1.
-   If it is a one-character string, return an integer
-   representing the Unicode code point of that character.  For example,
+   Return the ordinal value of a character.
+
+   If the argument is a one-character string, return the Unicode code point
+   of that character.  For example,
    ``ord('a')`` returns the integer ``97`` and ``ord('€')`` (Euro sign)
    returns ``8364``.  This is the inverse of :func:`chr`.
 
-   If the argument is a :class:`!bytes` or :class:`!bytearray` object of
-   length 1, return an integer value of its element.
+   If the argument is a :class:`bytes` or :class:`bytearray` object of
+   length 1, return its single byte value.
+   For example, ``ord(b'a')`` returns the integer ``97``.
 
 
 .. function:: pow(base, exp, mod=None)

Python/bltinmodule.c

@@ -2121,15 +2121,18 @@ ord as builtin_ord
     character as c: object
     /
 
-Return the Unicode code point for a one-character string.
+Return the ordinal value of a character.
 
-Return the value of the first byte for a bytes or bytearray object of
-length 1.
+If the argument is a one-character string, return the Unicode code
+point of that character.
+
+If the argument is a bytes or bytearray object of length 1, return its
+single byte value.
 [clinic start generated code]*/
 
 static PyObject *
 builtin_ord(PyObject *module, PyObject *c)
-/*[clinic end generated code: output=4fa5e87a323bae71 input=99e491d094680598]*/
+/*[clinic end generated code: output=4fa5e87a323bae71 input=98d38480432e1177]*/
 {
     long ord;
     Py_ssize_t size;