[Python-checkins] doc: Clarify os.urandom return type (GH-30282)

[miss-islington]

https://github.com/python/cpython/commit/981c1dc8b6a5673aa59a213cd62e7a8a3cb3fdd9
commit: 981c1dc8b6a5673aa59a213cd62e7a8a3cb3fdd9
branch: 3.9
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2022-01-19T14:07:47-08:00
summary:

doc: Clarify os.urandom return type (GH-30282)


Other descriptions in the same file also use 'bytestring' to refer to bytes objects
(cherry picked from commit 4b99803b861e58eb476a7a30e2e8aacdec5df104)

Co-authored-by: Florian Bruhin <me at the-compiler.org>

files:
M Doc/library/os.rst

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index f8d567af48466..d70f403e8cf1f 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -4623,7 +4623,7 @@ Random numbers
 
 .. function:: urandom(size)
 
-   Return a string of *size* random bytes suitable for cryptographic use.
+   Return a bytestring of *size* random bytes suitable for cryptographic use.
 
    This function returns random bytes from an OS-specific randomness source.  The
    returned data should be unpredictable enough for cryptographic applications,