diff --git a/corsika/framework/core/PhysicalGeometry.hpp b/corsika/framework/core/PhysicalGeometry.hpp
index 2d5b1d9bf5a2370bd3c8e552ea5da9347f09ad4b..b325ad2805a13afa54af891f806ab0b1492d79e7 100644
--- a/corsika/framework/core/PhysicalGeometry.hpp
+++ b/corsika/framework/core/PhysicalGeometry.hpp
@@ -33,7 +33,7 @@ namespace corsika {
 
   /**
    * A 3D vector defined in a specific coordinate system with units "velocity_t".
-   * 
+   *
    **/
   typedef Vector<SpeedType::dimension_type> VelocityVector;