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-rw-r--r--Doc/library/random.rst6
1 files changed, 5 insertions, 1 deletions
diff --git a/Doc/library/random.rst b/Doc/library/random.rst
index b6b0b6c..486e475 100644
--- a/Doc/library/random.rst
+++ b/Doc/library/random.rst
@@ -52,7 +52,11 @@ known to fail some stringent randomness tests. See the references below for a
recent variant that repairs these flaws.
.. versionchanged:: 2.3
- Substituted MersenneTwister for Wichmann-Hill.
+ MersenneTwister replaced Wichmann-Hill as the default generator.
+
+The :mod:`random` module also provides the :class:`SystemRandom` class which
+uses the system function :func:`os.urandom` to generate random numbers
+from sources provided by the operating system.
Bookkeeping functions: