From 505e514075a2d38beba1ebf444b204336aa2d6d0 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Fri, 22 Jul 2022 10:42:20 +0800
Subject: [PATCH] update doc

---
 docs/lib3x-dedup.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/lib3x-dedup.md b/docs/lib3x-dedup.md
index abddf146..73a35691 100644
--- a/docs/lib3x-dedup.md
+++ b/docs/lib3x-dedup.md
@@ -13,6 +13,8 @@ Eliminating duplicate copies of repeating vectors.
 
 ## Examples
 
+    use <util/dedup.scad>
+
     eq = function(e1, e2) e1[0] == e2[0] && e1[1] == e2[1] && e1[2] == e2[2];
 
     points = [[1, 1, 2], [3, 4, 2], [7, 2, 2], [3, 4, 2], [1, 2, 3]];