diff --git a/src/Faker/Provider/Uuid.php b/src/Faker/Provider/Uuid.php
index ea5ecf1e6e..ae5fc86d64 100644
--- a/src/Faker/Provider/Uuid.php
+++ b/src/Faker/Provider/Uuid.php
@@ -10,7 +10,8 @@ class Uuid extends Base
      */
     public static function uuid()
     {
-        // fix for compatibility with 32bit architecture; seed range restricted to 62bit
+        // fix for compatibility with 32bit architecture; each mt_rand call is restricted to 32bit
+        // two such calls will cause 64bits of randomness regardless of architecture
         $seed = mt_rand(0, 2147483647) . '#' . mt_rand(0, 2147483647);
 
         // Hash the seed and convert to a byte array