diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index bf6087e..d859a97 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -3309,3 +3309,6 @@
    though its exact quality depends on the OS implementation.  On a Unix-like
    system this will query /dev/urandom, and on Windows it will use CryptGenRandom.
    If a randomness source is not found, :exc:`NotImplementedError` will be raised.
+
+   For easy to use interface to system randomness please see
+   :class:`random.SystemRandom`.