diff --git a/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl b/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl
index e74b1118617507b4004fe79d0a4e0329a5c8e4d4..f96afdb1c2d833cc499b7556e97acf34b3ffbd02 100644
--- a/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl
+++ b/corsika/detail/modules/tracking/TrackingLeapFrogCurved.inl
@@ -119,7 +119,7 @@ namespace corsika {
         return getLinearTrajectory(particle);
       }
 
-      double const maxRadians = 0.01;
+      double const maxRadians = 0.01; // maximally allowed deflection
       LengthType const steplimit = 2 * cos(maxRadians) * sin(maxRadians) * gyroradius;
       TimeType const steplimit_time = steplimit / initialVelocity.getNorm();
       CORSIKA_LOG_DEBUG("gyroradius {}, steplimit: {} = {}", gyroradius, steplimit,