* lib/securerandom.rb: [DOC] SecureRandom.hex length argument

[Fixes GH-394] Patch by @avdi https://github.com/ruby/ruby/pull/394


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Sep 20 23:37:40 2013  Zachary Scott  <e@zzak.io>
+
+	* lib/securerandom.rb: [DOC] SecureRandom.hex length argument
+	  [Fixes GH-394] Patch by @avdi https://github.com/ruby/ruby/pull/394
+
 Fri Sep 20 23:34:48 2013  Zachary Scott  <e@zzak.io>
 
 	* benchmark/bm_app_answer.rb: removed duplicate code [Fixes GH-393]

lib/securerandom.rb

@@ -116,10 +116,10 @@ module SecureRandom
     raise NotImplementedError, "No random device"
   end
 
-  # SecureRandom.hex generates a random hex string.
+  # SecureRandom.hex generates a random hexadecimal string.
   #
-  # The argument _n_ specifies the length of the random length.
-  # The length of the result string is twice of _n_.
+  # The argument _n_ specifies the length, in bytes, of the random number to be generated.
+  # The length of the resulting hexadecimal string is twice _n_.
   #
   # If _n_ is not specified, 16 is assumed.
   # It may be larger in future.