diff --git a/doc/doxygen/modules b/doc/doxygen/modules
index 245c806cbc56b77d79a651d2717e5c859813b713..2344e03db485fb9e844597d51a5a56e45ae594b9 100644
--- a/doc/doxygen/modules
+++ b/doc/doxygen/modules
@@ -130,6 +130,18 @@
 		 * \ingroup BoxModels
 		 * \defgroup RichardsModel Richards
 		 */
+		/*!
+		 * \ingroup BoxModels
+		 * \defgroup BoxStokesModel Stokes
+		 */
+        /*!
+         * \ingroup BoxModels
+         * \defgroup BoxStokes2cModel Two-component Stokes
+         */
+        /*!
+         * \ingroup BoxModels
+         * \defgroup BoxStokes2cniModel Non-isothermal two-component Stokes
+         */
 
 	/*!
 	 * \ingroup BoxModel