diff --git a/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dinteractionvolumecontainer.hh b/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dinteractionvolumecontainer.hh
index bf2a0f36c9536bb1a816182237d33414ae4132c9..120e70de261111834dc1aa424493297b6d0a306d 100644
--- a/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dinteractionvolumecontainer.hh
+++ b/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dinteractionvolumecontainer.hh
@@ -150,7 +150,7 @@ public:
 
     //! Returns an interaction volume
     /*!
-     *  \param vertIdx Global index of a vertex in the DUNE grid
+     *  \param vertexIdx Global index of a vertex in the DUNE grid
      */
     InteractionVolume& interactionVolume(int vertexIdx)
     {
@@ -159,7 +159,7 @@ public:
 
     //! Returns an interaction volume
     /*!
-     *  \param vertIdx Global index of a vertex in the DUNE grid
+     *  \param vertexIdx Global index of a vertex in the DUNE grid
      */
     InteractionVolume& interactionVolume(int vertexIdx) const
     {
diff --git a/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dpressure2padaptive.hh b/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dpressure2padaptive.hh
index 053de2140af7ebe076ee68e758297bd444649536..4fcf50d9ecc3cb33cec020d5c280a65a043c5882 100644
--- a/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dpressure2padaptive.hh
+++ b/dumux/decoupled/2p/diffusion/fvmpfa/lmethod/fvmpfal3dpressure2padaptive.hh
@@ -35,7 +35,7 @@ namespace Dumux
 {
 //! \ingroup FVPressure2p
 /*! \brief 3-d finite volume MPFA L-method discretization of a two-phase flow pressure equation
- *! \of the sequential IMPES model on h-adaptive grids.
+ *! of the sequential IMPES model on h-adaptive grids.
  *
  * * Finite Volume-MPFAL-Implementation of the equation
  *
diff --git a/dumux/decoupled/2p/diffusion/fvmpfa/omethod/fvmpfao2dvelocity2p.hh b/dumux/decoupled/2p/diffusion/fvmpfa/omethod/fvmpfao2dvelocity2p.hh
index 676d2d49362567be1607b3e6f3dd2c7e174a28ef..cdeddb9b48f638f7f8faf0befe2ec439437c480f 100644
--- a/dumux/decoupled/2p/diffusion/fvmpfa/omethod/fvmpfao2dvelocity2p.hh
+++ b/dumux/decoupled/2p/diffusion/fvmpfa/omethod/fvmpfao2dvelocity2p.hh
@@ -271,13 +271,13 @@ private:
 // end of template
 
 /*! \brief Calculates the velocities at the flux faces of an interation volume around a vertex
- *! \which is not a boundary vertex.
+ *! which is not a boundary vertex.
  *
  *  Calculates the velocities at the flux faces of an interation volume around a vertex which is
  *  not a boundary vertex and adds them to the face velocity vectors in the <tt>CellData</tt> objects.
  *
  * \param interactionVolume An <tt>InteractionVolume</tt> object including the information for
- * \calculating the MPFA transmissibilities
+ *      calculating the MPFA transmissibilities
  * \param cellData1  <tt>CellData</tt> object of an IMPES model for sub-volume 1
  * \param cellData2  <tt>CellData</tt> object of an IMPES model for sub-volume 2
  * \param cellData3  <tt>CellData</tt> object of an IMPES model for sub-volume 3
diff --git a/dumux/decoupled/2p2c/fv2dpressure2p2cadaptive.hh b/dumux/decoupled/2p2c/fv2dpressure2p2cadaptive.hh
index 22840aa041352f516519c49f1fe0c322c27e85af..0f738a3ee788298daf06265d71638788ec7e4e80 100644
--- a/dumux/decoupled/2p2c/fv2dpressure2p2cadaptive.hh
+++ b/dumux/decoupled/2p2c/fv2dpressure2p2cadaptive.hh
@@ -493,7 +493,8 @@ void FV2dPressure2P2CAdaptive<TypeTag>::assemble(bool first)
  * through the one unique interaction region on the hanging node if one
  * halfedge is stored (eg on boundaries). Or using the second interaction
  * region covering neighboring cells.
- * Due to that, the matrix and rhs entries are filled up within this function.
+ * The contribution in other cells than I or J make it necessary that
+ * the matrix and rhs entries are filled up within this function.
  * \param intersectionIterator Iterator of the intersection between cell I and J
  * \param cellDataI Data of cell I
  */
diff --git a/dumux/decoupled/2p2c/variableclass2p2cadaptive.hh b/dumux/decoupled/2p2c/variableclass2p2cadaptive.hh
index 18d58778cdff1424ae94f70de29d1219eb16d012..a929880225d830479e5f92c9b0f19d7ea709d6fb 100644
--- a/dumux/decoupled/2p2c/variableclass2p2cadaptive.hh
+++ b/dumux/decoupled/2p2c/variableclass2p2cadaptive.hh
@@ -448,7 +448,6 @@ public:
      * \param irregularIs The current irregular intersection
      * \param secondHalfEdgeIntersectionIt Iterator to the intersection connecting the second interaction region
      * \param T1 Transmissitivity matrix for flux calculations: unique interaction region
-     * \param T1_secondHalfEdge Second transmissitivity matrix for flux calculations for non-unique interaction region
      * \param globalPos3 The position of the 3rd cell of the first interaction region
      * \param globalIdx3 The index of the 3rd cell of the first interaction region
      * \param globalPos4 The position of the 4th cell of the interaction region
diff --git a/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3d.hh b/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3d.hh
index 81f8087f6b046796a6fb5bcde2f922b06fe8a093..10290fa352d6fa777b3ef81cba6c4cabcdb6bf35 100644
--- a/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3d.hh
+++ b/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3d.hh
@@ -104,7 +104,7 @@ const int IndexTranslator::faceIndexFromElements_[subVolumeTotalNum][subVolumeTo
 };
 //! \endcond
 
-//! \ingroup IMPET
+//! \ingroup IMPET mpfa
 /*! \brief Class including the information of a 3d interaction volume of a MPFA L-method that does not change with time.
  *
  * Includes information needed to calculate the transmissibility matrices of an L-interaction-volume.
diff --git a/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3dadaptive.hh b/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3dadaptive.hh
index 7f5234420a4a60019e2ab21cc096bcf25d6973c8..3c90c77cb832dc5bdbb32ad0549c9ee701713803 100644
--- a/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3dadaptive.hh
+++ b/dumux/decoupled/common/fv/mpfa/mpfalinteractionvolume3dadaptive.hh
@@ -181,7 +181,7 @@ const int IndexTranslatorAdaptive::newEdgeIdxFromOldFaceIdxto0_[fluxFacesTotalNu
 };
 //! \endcond
 
-//! \ingroup IMPET
+//! \ingroup IMPET mpfa
 /*! \brief Class including the information of a 3d interaction volume of an adaptive MPFA L-method that does not change with time.
  *
  * Includes information needed to calculate the transmissibility matrices of an L-interaction-volume.
@@ -253,14 +253,14 @@ public:
         hangingNodeType_(noHangingNode)
     {}
 
-    //!\copydoc
+    //!\copydoc FvMpfaL3dInteractionVolume::reset()
     void reset()
     {
         hangingNodeType_ = noHangingNode;
         existingLevel_.clear();
     }
 
-    //!\copydoc
+    //!\copydoc FvMpfaL3dInteractionVolume::setSubVolumeElement()
     void setSubVolumeElement(ElementPointer pointer, int subVolumeIdx)
     {
             ParentType::setSubVolumeElement(pointer, subVolumeIdx);
@@ -316,7 +316,7 @@ public:
         return hangingNodeType_;
     }
 
-    //!\copydoc
+    //!\copydoc FvMpfaL3dInteractionVolume::printInteractionVolumeInfo()
     void printInteractionVolumeInfo()
     {
         ParentType::printInteractionVolumeInfo();