Fix parameters description for `Spherical#setFromCartesianCoords` (#31475)

src/math/Spherical.js

@@ -107,8 +107,8 @@ class Spherical {
 	 * Sets the spherical components from the given Cartesian coordinates.
 	 *
 	 * @param {number} x - The x value.
-	 * @param {number} y - The x value.
-	 * @param {number} z - The x value.
+	 * @param {number} y - The y value.
+	 * @param {number} z - The z value.
 	 * @return {Spherical} A reference to this spherical.
 	 */
 	setFromCartesianCoords( x, y, z ) {