update of documentation

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@4382 2fb0f335-1f38-0410-981e-8018bf24f1b0

dumux/boxmodels/1p/1pproblem.hh

@@ -16,7 +16,7 @@
 /*!
  * \file
  *
- * \brief Base class for all problems which use the single-phase box
+ * \brief Base class for all problems which use the one-phase box
  *        model
  */
 #ifndef DUMUX_1P_PROBLEM_HH