[doc] Corrected ingroup of two files in material/fluidsystems and of two files...

[doc] Corrected ingroup of two files in material/fluidsystems and of two files in porousmediumflow/co2.

dumux/material/fluidsystems/brineair.hh

@@ -18,7 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
- * \ingroup FluidSystems
+ * \ingroup Fluidsystems
  * \brief @copybrief Dumux::FluidSystems::BrineAir
  */
 #ifndef DUMUX_BRINE_AIR_SYSTEM_HH

dumux/material/fluidsystems/spe5.hh

@@ -18,6 +18,7 @@
  *****************************************************************************/
 /*!
  * \file
+ * \ingroup Fluidsystems
  * \brief @copybrief Dumux::FluidSystems::Spe5
  */
 #ifndef DUMUX_SPE5_FLUID_SYSTEM_HH

dumux/porousmediumflow/co2/primaryvariableswitch.hh

@@ -30,7 +30,7 @@
 namespace Dumux
 {
 /*!
- * \ingroup TwoPTwoCModel
+ * \ingroup CO2Model
  * \brief The primary variable switch for the 2p2c-CO2 model controlling the phase presence state variable
  * The phase switch occurs when the equilibrium concentration
  * of a component in a phase is exceeded, instead of the sum of the components in the virtual phase

dumux/porousmediumflow/co2/volumevariables.hh

@@ -31,7 +31,7 @@
 namespace Dumux
 {
 /*!
- * \ingroup TwoPTwoCModel
+ * \ingroup CO2Model
  * \brief Contains the quantities which are are constant within a
  *        finite volume in the CO2 model.
  */