From ebd2090d29afbdbc8792166b3a35c7ead69dcc3c Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 26 Apr 2009 15:47:24 +0000
Subject: update rdoc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23297 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/securerandom.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/securerandom.rb')

diff --git a/lib/securerandom.rb b/lib/securerandom.rb
index 1365c66565..4a97ff8a78 100644
--- a/lib/securerandom.rb
+++ b/lib/securerandom.rb
@@ -230,7 +230,11 @@ module SecureRandom
   #   p SecureRandom.uuid #=> "2d931510-d99f-494a-8c67-87feb05e1594"
   #   p SecureRandom.uuid #=> "62936e70-1815-439b-bf89-8492855a7e6b"
   #
-  # See RFC 4122 for UUID.
+  # The version 4 UUID is purely random (except the version).
+  # It doesn't contain meaningful information such as MAC address, time, etc.
+  #
+  # See RFC 4122 for details of UUID.
+  #
   def self.uuid
     ary = self.random_bytes(16).unpack("NnnnnN")
     ary[2] = (ary[2] & 0x0fff) | 0x4000
-- 
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