diff --git a/dumux/porousmediumflow/2pncmin/implicit/model.hh b/dumux/porousmediumflow/2pncmin/implicit/model.hh
index 59884fc075e526bd44d9c6c5be3b26b1763e1bf6..3f20df868d2ed564d5aebfa1c26e913ef0ba7775 100644
--- a/dumux/porousmediumflow/2pncmin/implicit/model.hh
+++ b/dumux/porousmediumflow/2pncmin/implicit/model.hh
@@ -444,7 +444,7 @@ protected:
         else if (phasePresence == nPhaseOnly)
         {
             Scalar sumxw = 0;
-            //Calculate sum of mole fractions (water and air) in the hypothetical wetting phase
+            //Calculate sum of mole fractions in the hypothetical wetting phase
             for (int compIdx = 0; compIdx < numComponents; compIdx++)
             {
                 sumxw += volVars.moleFraction(wPhaseIdx, compIdx);
diff --git a/dumux/porousmediumflow/2pncmin/implicit/volumevariables.hh b/dumux/porousmediumflow/2pncmin/implicit/volumevariables.hh
index d1e8f39617b97cb89467b91337dcf73a10e716ef..b83bfd9003d6c98320094513674e97855a41776c 100644
--- a/dumux/porousmediumflow/2pncmin/implicit/volumevariables.hh
+++ b/dumux/porousmediumflow/2pncmin/implicit/volumevariables.hh
@@ -352,13 +352,13 @@ public:
                 moleFrac[compIdx] = priVars[compIdx];
             }
             moleFrac[nCompIdx] = priVars[switchIdx];
-            Scalar sumMoleFracNotWater = 0;
+            Scalar sumMoleFracOtherComponents = 0;
             for (int compIdx=numMajorComponents; compIdx<numComponents; ++compIdx)
             {
-                    sumMoleFracNotWater+=moleFrac[compIdx];
+                    sumMoleFracOtherComponents+=moleFrac[compIdx];
             }
-            sumMoleFracNotWater += moleFrac[nCompIdx];
-            moleFrac[wCompIdx] = 1 -sumMoleFracNotWater;
+            sumMoleFracOtherComponents += moleFrac[nCompIdx];
+            moleFrac[wCompIdx] = 1 -sumMoleFracOtherComponents;
 
             // convert mass to mole fractions and set the fluid state
             for (int compIdx=0; compIdx<numComponents; ++compIdx)