diff --git a/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionSolver/externalPointEdgePoint.H b/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionSolver/externalPointEdgePoint.H
index 92d9cedded..70a66b4ba2 100644
--- a/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionSolver/externalPointEdgePoint.H
+++ b/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionSolver/externalPointEdgePoint.H
@@ -217,7 +217,7 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Equivalent to operator== with TrackingData
             template<class TrackingData>
             inline bool equal
             (