diff --git a/include/dem/dem.h b/include/dem/dem.h
index fccf1ca7a7..067bf831ca 100644
--- a/include/dem/dem.h
+++ b/include/dem/dem.h
@@ -235,8 +235,8 @@ class DEMSolver
    */
   DEMSolverParameters<dim> parameters;
 
-  /*
-   * @brief
+  /**
+   * @brief The checkpoint controller of the DEM simulation.
    */
   CheckpointControl checkpoint_controller;