diff --git a/dumux/decoupled/2p2c/variableclass2p2c.hh b/dumux/decoupled/2p2c/variableclass2p2c.hh
index 81498d80a7e21ddf8138b5d0b7386a5cf3c6bcfc..87f7a63ea9a81add87de7344eea406e6f185b36e 100644
--- a/dumux/decoupled/2p2c/variableclass2p2c.hh
+++ b/dumux/decoupled/2p2c/variableclass2p2c.hh
@@ -316,7 +316,7 @@ public:
     }
 
     //! Return vector of wetting phase potential gradients
-    /*! \param Idx Element index
+    /*! \param Idx1 Element index
      *  \param isIdx Intersection index */
     Scalar& potentialWetting(int Idx1, int isIdx)
     {
@@ -328,7 +328,7 @@ public:
         return this->potential(Idx1, isIdx)[wPhaseIdx];
     }
     //! Return vector of nonwetting phase potential gradients
-    /*! \param Idx Element index
+    /*! \param Idx1 Element index
      *  \param isIdx Intersection index */
     Scalar& potentialNonwetting(int Idx1, int isIdx)
     {