diff --git a/dumux/boxmodels/1p/1pproblem.hh b/dumux/boxmodels/1p/1pproblem.hh
index 5a22738a28ecbd32687f507b976ca07ce7b7dfc9..10db88d7c0ab28e8a475d6d7d4e69d560279e5c9 100644
--- a/dumux/boxmodels/1p/1pproblem.hh
+++ b/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