diff --git a/src/main/java/org/apache/commons/math4/geometry/euclidean/threed/SphericalCoordinates.java b/src/main/java/org/apache/commons/math4/geometry/euclidean/threed/SphericalCoordinates.java
index b82ec20d5..5f07644e2 100644
--- a/src/main/java/org/apache/commons/math4/geometry/euclidean/threed/SphericalCoordinates.java
+++ b/src/main/java/org/apache/commons/math4/geometry/euclidean/threed/SphericalCoordinates.java
@@ -66,7 +66,7 @@ public class SphericalCoordinates implements Serializable {
     /** Polar angle (co-latitude) Φ. */
     private final double phi;
 
-    /** Jacobian of (r, θ &Phi). */
+    /** Jacobian of (r, θ Φ). */
     private double[][] jacobian;
 
     /** Hessian of radius. */