diff --git a/content/pages/docs/kcl-std/functions/std-math-polar.md b/content/pages/docs/kcl-std/functions/std-math-polar.md
index d41b5a62..061fff52 100644
--- a/content/pages/docs/kcl-std/functions/std-math-polar.md
+++ b/content/pages/docs/kcl-std/functions/std-math-polar.md
@@ -5,7 +5,7 @@ excerpt: "Convert polar/sphere (azimuth, elevation, distance) coordinates to car
 layout: manual
 ---
 
-Convert polar/sphere (azimuth, elevation, distance) coordinates to cartesian (x/y/z grid) coordinates.
+Convert polar (angle, distance) coordinates to cartesian (x/y grid) coordinates.
 
 ```kcl
 polar(