From bf7a481011e8429fb9ce54b5f778d9cbefd04791 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Fri, 16 Aug 2019 09:50:02 +0800
Subject: [PATCH] add comment

---
 src/util/rand.scad | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/util/rand.scad b/src/util/rand.scad
index e8430c57..52def6f9 100644
--- a/src/util/rand.scad
+++ b/src/util/rand.scad
@@ -1,2 +1,12 @@
+/**
+* reverse.scad
+*
+* @copyright Justin Lin, 2019
+* @license https://opensource.org/licenses/lgpl-3.0.html
+*
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2-rand.html
+*
+**/ 
+
 function rand(min_value = 0, max_value = 1, seed_value) = 
     is_undef(seed_value) ? rands(min_value, max_value , 1)[0] : rands(min_value, max_value , 1, seed_value)[0];
\ No newline at end of file