diff --git a/test/implicit/mpnc/evaporationatmosphereproblem.hh b/test/implicit/mpnc/evaporationatmosphereproblem.hh
index acfa4caa39f6f65359f82e8ee6b7d2d3ecab816a..30c2de4e8aa9aa6f4e0b8065485ac53f4397a8d4 100644
--- a/test/implicit/mpnc/evaporationatmosphereproblem.hh
+++ b/test/implicit/mpnc/evaporationatmosphereproblem.hh
@@ -604,11 +604,11 @@ public:
     /*!
      * \brief Evaluate the initial value for a control volume.
      *
-     * 		\param priVars Stores the initial solution for the conservation equations in
+     * \param priVars Stores the initial solution for the conservation equations in
      *               \f$ [ \textnormal{unit of primary variables} ] \f$
-     *      \param element The finite element
-     * 		\param fvGeometry The finite volume geometry of the element
-     * 		\param scvIdx The local index of the sub-control volume
+     * \param element The finite element
+     * \param fvGeometry The finite volume geometry of the element
+     * \param scvIdx The local index of the sub-control volume
      */
     void initial(PrimaryVariables & priVars,
                  const Element & element,
@@ -624,11 +624,11 @@ public:
      * \brief Evaluate the source term for all balance equations within a given
      *        sub-control-volume.
      *
-     * 		\param priVars Stores the solution for the conservation equations in
+     * \param priVars Stores the solution for the conservation equations in
      *               \f$ [ \textnormal{unit of primary variable} / (m^\textrm{dim} \cdot s )] \f$
-     *      \param element The finite element
-     * 		\param fvGeometry The finite volume geometry of the element
-     * 		\param scvIdx The local index of the sub-control volume
+     * \param element The finite element
+     * \param fvGeometry The finite volume geometry of the element
+     * \param scvIdx The local index of the sub-control volume
      *
      * 		Positive values mean that mass is created, negative ones mean that it vanishes.
      */
diff --git a/test/implicit/mpnc/forchheimer1pproblem.hh b/test/implicit/mpnc/forchheimer1pproblem.hh
index 44e24f34c90b1c1cfc6d14620d12fbe4773931b0..a612334506e85adb811f5be51b1427d61ec3213d 100644
--- a/test/implicit/mpnc/forchheimer1pproblem.hh
+++ b/test/implicit/mpnc/forchheimer1pproblem.hh
@@ -344,13 +344,13 @@ public:
      * \brief Evaluate the source term for all balance equations within a given
      *        sub-control-volume.
      *
-     * 		\param values Stores the solution for the conservation equations in
-     *               \f$ [ \textnormal{unit of primary variable} / (m^\textrm{dim} \cdot s )] \f$
-     *      \param element The finite element
-     * 		\param fvGeometry The finite volume geometry of the element
-     * 		\param scvIdx The local index of the sub-control volume
+     * \param values Stores the solution for the conservation equations in
+     *         \f$ [ \textnormal{unit of primary variable} / (m^\textrm{dim} \cdot s )] \f$
+     * \param element The finite element
+     * \param fvGeometry The finite volume geometry of the element
+     * \param scvIdx The local index of the sub-control volume
      *
-     * 		Positive values mean that mass is created, negative ones mean that it vanishes.
+     * Positive values mean that mass is created, negative ones mean that it vanishes.
      */
     void source(PrimaryVariables &values,
                 const Element &element,
@@ -363,11 +363,11 @@ public:
     /*!
      * \brief Evaluate the initial value for a control volume.
      *
-     * 		\param values Stores the solution for the conservation equations in
+     * \param values Stores the solution for the conservation equations in
      *               \f$ [ \textnormal{unit of primary variable} ] \f$
-     *      \param element The finite element
-     * 		\param fvGeometry The finite volume geometry of the element
-     * 		\param scvIdx The local index of the sub-control volume
+     * \param element The finite element
+     * \param fvGeometry The finite volume geometry of the element
+     * \param scvIdx The local index of the sub-control volume
      */
     void initial(PrimaryVariables &values,
                  const Element &element,
diff --git a/test/implicit/mpnc/forchheimer2pproblem.hh b/test/implicit/mpnc/forchheimer2pproblem.hh
index ebcd3d12542ae12ea21f8f60f0619fa1592c1494..146d2642a171871f37f2bcfd58c370fed45c24d7 100644
--- a/test/implicit/mpnc/forchheimer2pproblem.hh
+++ b/test/implicit/mpnc/forchheimer2pproblem.hh
@@ -336,13 +336,13 @@ public:
      * \brief Evaluate the source term for all balance equations within a given
      *        sub-control-volume.
      *
-     * 		\param priVars Stores the solution for the conservation equations in
+     * \param values Stores the solution for the conservation equations in
      *               \f$ [ \textnormal{unit of primary variable} / (m^\textrm{dim} \cdot s )] \f$
-     *      \param element The finite element
-     * 		\param fvGeometry The finite volume geometry of the element
-     * 		\param scvIdx The local index of the sub-control volume
+     * \param element The finite element
+     * \param fvGeometry The finite volume geometry of the element
+     * \param scvIdx The local index of the sub-control volume
      *
-     * 		Positive values mean that mass is created, negative ones mean that it vanishes.
+     * Positive values mean that mass is created, negative ones mean that it vanishes.
      */
     void source(PrimaryVariables &values,
                 const Element &element,
@@ -355,11 +355,11 @@ public:
     /*!
      * \brief Evaluate the initial value for a control volume.
      *
-     * 		\param values Stores the solution for the conservation equations in
+     * \param values Stores the solution for the conservation equations in
      *               \f$ [ \textnormal{unit of primary variable} ] \f$
-     *      \param element The finite element
-     * 		\param fvGeometry The finite volume geometry of the element
-     * 		\param scvIdx The local index of the sub-control volume
+     * \param element The finite element
+     * \param fvGeometry The finite volume geometry of the element
+     * \param scvIdx The local index of the sub-control volume
      */
     void initial(PrimaryVariables &values,
                  const Element &element,
diff --git a/test/implicit/mpnc/obstacleproblem.hh b/test/implicit/mpnc/obstacleproblem.hh
index ad13f70b2e56724f11145963c561141f92dfacb9..fc771d520e82e1efcfcd8de40083258293ceadef 100644
--- a/test/implicit/mpnc/obstacleproblem.hh
+++ b/test/implicit/mpnc/obstacleproblem.hh
@@ -325,13 +325,13 @@ public:
      * \brief Evaluate the source term for all balance equations within a given
      *        sub-control-volume.
      *
-     * 		\param priVars Stores the solution for the conservation equations in
+     * \param values Stores the solution for the conservation equations in
      *               \f$ [ \textnormal{unit of primary variable} / (m^\textrm{dim} \cdot s )] \f$
-     *      \param element The finite element
-     * 		\param fvGeometry The finite volume geometry of the element
-     * 		\param scvIdx The local index of the sub-control volume
+     * \param element The finite element
+     * \param fvGeometry The finite volume geometry of the element
+     * \param scvIdx The local index of the sub-control volume
      *
-     * 		Positive values mean that mass is created, negative ones mean that it vanishes.
+     * Positive values mean that mass is created, negative ones mean that it vanishes.
      */
     void source(PrimaryVariables &values,
                 const Element &element,