From 18c40e4e33785f53ddf09423af7b7bdc2827b29c Mon Sep 17 00:00:00 2001
From: Rob Janssen <rob@devcorner.nl>
Date: Mon, 16 Mar 2015 18:46:35 +0100
Subject: [PATCH] Clarified comment a bit

---
 RobThree/TwoFactorAuth/TwoFactorAuth.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/RobThree/TwoFactorAuth/TwoFactorAuth.php b/RobThree/TwoFactorAuth/TwoFactorAuth.php
index a825d46..c321698 100644
--- a/RobThree/TwoFactorAuth/TwoFactorAuth.php
+++ b/RobThree/TwoFactorAuth/TwoFactorAuth.php
@@ -50,7 +50,7 @@ class TwoFactorAuth
     public function createSecret($bits = 80) 
     {
         $secret = '';
-        $bytes = ceil($bits / 5);   //We use 5 bits of each byte
+        $bytes = ceil($bits / 5);   //We use 5 bits of each byte (since we have a 32-character 'alphabet' / BASE32)
         $rnd = openssl_random_pseudo_bytes($bytes);
         for ($i = 0; $i < $bytes; $i++)
             $secret .= self::$_base32[ord($rnd[$i]) & 31];  //Mask out left 3 bits for 0-31 values
@@ -144,4 +144,4 @@ class TwoFactorAuth
 
 		return $o;
     }
-}
\ No newline at end of file
+}