#25916: fix a few 'string of bytes' references.

Patch by SilengGhost.

Doc/howto/unicode.rst

@@ -192,7 +192,7 @@ frequently used than UTF-8.)  UTF-8 uses the following rules:
 UTF-8 has several convenient properties:
 
 1. It can handle any Unicode code point.
-2. A Unicode string is turned into a string of bytes containing no embedded zero
+2. A Unicode string is turned into a sequence of bytes containing no embedded zero
    bytes.  This avoids byte-ordering issues, and means UTF-8 strings can be
    processed by C functions such as ``strcpy()`` and sent through protocols that
    can't handle zero bytes.

Doc/library/logging.config.rst

@@ -144,7 +144,7 @@ in :mod:`logging` itself) and defining handlers which are declared either in
    (perhaps if decryption were performed).
 
    To send a configuration to the socket, read in the configuration file and
-   send it to the socket as a string of bytes preceded by a four-byte length
+   send it to the socket as a sequence of bytes preceded by a four-byte length
    string packed in binary using ``struct.pack('>L', n)``.
 
    .. note::

Doc/library/sunau.rst

@@ -158,7 +158,7 @@ AU_read objects, as returned by :func:`.open` above, have the following methods:
 
 .. method:: AU_read.readframes(n)
 
-   Reads and returns at most *n* frames of audio, as a string of bytes.  The data
+   Reads and returns at most *n* frames of audio, as a :class:`bytes` object.  The data
    will be returned in linear format.  If the original data is in u-LAW format, it
    will be converted.
 

Doc/library/wave.rst

@@ -112,7 +112,7 @@ Wave_read objects, as returned by :func:`.open`, have the following methods:
 
 .. method:: Wave_read.readframes(n)
 
-   Reads and returns at most *n* frames of audio, as a string of bytes.
+   Reads and returns at most *n* frames of audio, as a :class:`bytes` object.
 
 
 .. method:: Wave_read.rewind()