diff --git a/dumux/experimental/common/variables.hh b/dumux/experimental/common/variables.hh
index d848dcda5f54ed7980cd6b9a5d340d3d04dc7525..fe880f943fa5f090d680e29200c1bbb105498e7b 100644
--- a/dumux/experimental/common/variables.hh
+++ b/dumux/experimental/common/variables.hh
@@ -18,6 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
+ * \ingroup Experimental
  * \ingroup Common
  * \copydoc Dumux::Experimental::Variables
  */
@@ -32,6 +33,7 @@
 namespace Dumux::Experimental {
 
 /*!
+ * \ingroup Experimental
  * \ingroup Common
  * \brief Class that represents the variables of a model.
  *        We assume that models are formulated on the basis of primary and
diff --git a/dumux/experimental/discretization/fvgridvariables.hh b/dumux/experimental/discretization/fvgridvariables.hh
index 69e6e2ea0fa21b7c1080ba3778d4be95a287040c..81a1eeeecbb1f7e8ae5e4b75c5aa961c9fd5e79b 100644
--- a/dumux/experimental/discretization/fvgridvariables.hh
+++ b/dumux/experimental/discretization/fvgridvariables.hh
@@ -18,6 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
+ * \ingroup Experimental
  * \ingroup Discretization
  * \brief The grid variable class for finite volume schemes,
  *        storing variables on scv and scvf (volume and flux variables)
@@ -35,6 +36,7 @@
 namespace Dumux::Experimental {
 
 /*!
+ * \ingroup Experimental
  * \ingroup Discretization
  * \brief Finite volume-specific local view on grid variables.
  * \tparam GV The grid variables class
@@ -108,6 +110,7 @@ private:
 };
 
 /*!
+ * \ingroup Experimental
  * \ingroup Discretization
  * \brief The grid variable class for finite volume schemes, storing
  *        variables on scv and scvf (volume and flux variables).
diff --git a/dumux/experimental/discretization/gridvariables.hh b/dumux/experimental/discretization/gridvariables.hh
index ed21ce3c4dd3f8bce1a64d997847fe26f68a7d5e..96bb40625c586309874fddec00a1fb8d839c0889 100644
--- a/dumux/experimental/discretization/gridvariables.hh
+++ b/dumux/experimental/discretization/gridvariables.hh
@@ -18,6 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
+ * \ingroup Experimental
  * \ingroup Discretization
  * \brief Base class for grid variables
  */
@@ -32,6 +33,7 @@
 namespace Dumux::Experimental {
 
 /*!
+ * \ingroup Experimental
  * \ingroup Discretization
  * \brief Base class for grid variables.
  * \tparam GG The grid geometry type
diff --git a/dumux/experimental/timestepping/multistagemethods.hh b/dumux/experimental/timestepping/multistagemethods.hh
index 1a2a7275e99a9cf0fba6ed7cb96b8df76998024b..28d606c45861885c6fccbf276b5ee55ece36bee7 100644
--- a/dumux/experimental/timestepping/multistagemethods.hh
+++ b/dumux/experimental/timestepping/multistagemethods.hh
@@ -18,6 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
+ * \ingroup Experimental
  * \ingroup TimeStepping
  * \brief Parameters for different multistage time stepping methods
  * \note See e.g. https://en.wikipedia.org/wiki/List_of_Runge%E2%80%93Kutta_methods
diff --git a/dumux/experimental/timestepping/multistagetimestepper.hh b/dumux/experimental/timestepping/multistagetimestepper.hh
index 53c1ce1524a49c49dadf6351ae5206ba57f0b1db..808869e6eb0a0136cb4cc11f29721570c13bde7c 100644
--- a/dumux/experimental/timestepping/multistagetimestepper.hh
+++ b/dumux/experimental/timestepping/multistagetimestepper.hh
@@ -18,6 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
+ * \ingroup Experimental
  * \ingroup TimeStepping
  * \brief A time stepper performing a single time step of a transient simulation
  */
diff --git a/dumux/experimental/timestepping/timelevel.hh b/dumux/experimental/timestepping/timelevel.hh
index d82324c7bcc11f89f456f97d77ed533b96fa683f..6f7d04de67dc0cbb819f86db678fd703de6e8c64 100644
--- a/dumux/experimental/timestepping/timelevel.hh
+++ b/dumux/experimental/timestepping/timelevel.hh
@@ -18,6 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
+ * \ingroup Experimental
  * \ingroup TimeStepping
  * \brief Class that represents a time level during time integration.
  */