diff --git a/dumux/material/spatialparameters/boxspatialparameters.hh b/dumux/material/spatialparameters/boxspatialparameters.hh
index 8c79df6559e29fff28bb2f7baded2ef5184c2c91..72cf18748e92d9fa626140016c9e7e04860387e7 100644
--- a/dumux/material/spatialparameters/boxspatialparameters.hh
+++ b/dumux/material/spatialparameters/boxspatialparameters.hh
@@ -16,6 +16,7 @@
 /*!
  * \file
  *
+ * \ingroup SpatialParameters
  * \brief The base class for spatial parameters of problems using the
  *        box method.
  */