Update osi_object.proto

Author: Kmeid

osi_object.proto

@@ -466,7 +466,7 @@ message MovingObject
             //
             optional uint32 index = 2;
 
-            // Position of the wheel (geographical center of the wheel).
+            // Position of the wheel (geomatric center of the wheel).
             // The reference system is the vehicle frame (center of bounding box).
             // Right-handed, x-axis shows into driving direction "forward".
             // Rough Approximation: The z-value shows the damping.