From c64c641476548039dff5737a5d584393cea8a47e Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Fri, 9 Jun 2017 10:14:38 +0800
Subject: [PATCH] updated doc

---
 docs/lib-polysections.md | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/docs/lib-polysections.md b/docs/lib-polysections.md
index 6e9cb1b2..7257e840 100644
--- a/docs/lib-polysections.md
+++ b/docs/lib-polysections.md
@@ -27,15 +27,15 @@ You can cut triangles by yourself. For example, the above shape can be cut into
 The indexes of the above triangles is:
 
     [
-        [0, 4, 3],
-        [0, 1, 4],
-        [1, 5, 4],
-        [1, 2, 5],
-        [2, 3, 5],
-        [2, 0, 3]
-    ]
+		[0, 3, 1],
+		[1, 3, 4],
+		[1, 4, 2],
+		[2, 4, 5],
+		[2, 5, 0],
+		[0, 5, 3]
+	]
 
-In this module, triangles may be defined in any order. Of course, [following the preference of OpenSCAD](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Primitive_Solids#polyhedron) is ok.
+When defining triangles, clockwise indexes are prefered. 
 
 ## Parameters