diff --git a/Framework/Geometry/BaseTrajectory.h b/Framework/Geometry/BaseTrajectory.h
index e23ffc828165e5c7b041a38ea91f7157c051f9d6..a5c690eedea8d54a94275221315d3d6c47ff3d86 100644
--- a/Framework/Geometry/BaseTrajectory.h
+++ b/Framework/Geometry/BaseTrajectory.h
@@ -20,6 +20,7 @@ namespace corsika::geometry {
     /*!
      * returns the arc length between two points of the trajectory
      * parameterized by \arg t1 and \arg t2. Requires \arg t2 > \arg t1.
+     */
     
     virtual LengthType DistanceBetween(corsika::units::si::TimeType t1,
                                        corsika::units::si::TimeType t2) const = 0;