diff --git a/src/main/java/com/jme3/bullet/objects/PhysicsVehicle.java b/src/main/java/com/jme3/bullet/objects/PhysicsVehicle.java
index 94543e22..9581612e 100644
--- a/src/main/java/com/jme3/bullet/objects/PhysicsVehicle.java
+++ b/src/main/java/com/jme3/bullet/objects/PhysicsVehicle.java
@@ -699,7 +699,8 @@ public int upAxisIndex() {
     }
 
     /**
-     * Used internally.
+     * Update the wheel transforms for visualization. (In Minie this gets
+     * invoked when the VehicleControl is updated.)
      */
     public void updateWheels() {
         if (controller != null) {