fixedFluxPressureFvPatchScalarField: corrected BC group in docs

src/finiteVolume/fields/fvPatchFields/derived/fixedFluxPressure/fixedFluxPressureFvPatchScalarField.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -25,7 +25,7 @@ Class
     Foam::fixedFluxPressureFvPatchScalarField
 
 Group
-    grpOutletBoundaryConditions
+    grpInletBoundaryConditions grpWallBoundaryConditions
 
 Description
     This boundary condition adjusts the pressure gradient such that the flux