Fix docstring for cartesian_to_spherical to match return order

manim/utils/space_ops.py

@@ -810,20 +810,24 @@ def earclip_triangulation(verts: np.ndarray, ring_ends: list) -> list:
 
 def cartesian_to_spherical(vec: Vector3DLike) -> np.ndarray:
     """Returns an array of numbers corresponding to each
-    polar coordinate value (distance, phi, theta).
+    spherical coordinate value (distance, theta, phi).
 
     Parameters
     ----------
     vec
         A numpy array or a sequence of floats ``[x, y, z]``.
+
+    Returns
+    -------
+    :class:`numpy.ndarray`
+        An array of three floats ``[r, theta, phi]`` where:
+
+        r - The distance between the point and the origin.
+
+        theta - The azimuthal angle of the point to the positive x-axis.
+
+        phi - The vertical angle of the point to the positive z-axis.
     """
-    norm = np.linalg.norm(vec)
-    if norm == 0:
-        return np.zeros(3)
-    r = norm
-    phi = np.arccos(vec[2] / r)
-    theta = np.arctan2(vec[1], vec[0])
-    return np.array([r, theta, phi])
 
 
 def spherical_to_cartesian(spherical: Sequence[float]) -> np.ndarray: