From 9cf6ce5e36ce3c18280f0b4b9f5fe6f1fd068f18 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sat, 13 Feb 2021 10:57:16 +0800
Subject: [PATCH] update

---
 docs/lib3x-polar_coordinate.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/lib3x-polar_coordinate.md b/docs/lib3x-polar_coordinate.md
index 5cffcd87..b0e7b631 100644
--- a/docs/lib3x-polar_coordinate.md
+++ b/docs/lib3x-polar_coordinate.md
@@ -1,6 +1,6 @@
 # polar_coordinate
 
-Converts from Cartesian to Polar coordinates.
+Converts from Cartesian to Polar coordinates. It returns `[radius, theta]`.
 
 **Since:** 3.0