diff --git a/docs/lib3x-spherical_coordinate.md b/docs/lib3x-spherical_coordinate.md
index c4dd4c36..5a714f8e 100644
--- a/docs/lib3x-spherical_coordinate.md
+++ b/docs/lib3x-spherical_coordinate.md
@@ -1,6 +1,6 @@
 # spherical_coordinate
 
-Converts from Cartesian to Polar coordinates. It returns `[radius, theta, phi]`.
+Converts from Cartesian to Spherical coordinates (used in mathematics). It returns `[radius, theta, phi]`.
 
 **Since:** 3.0