1.1 --- a/lemon/preflow.h	Sun Nov 15 19:57:02 2009 +0100
     1.2 +++ b/lemon/preflow.h	Wed Nov 18 14:38:02 2009 +0100
     1.3 @@ -265,7 +265,7 @@
     1.4      /// The Elevator should have standard constructor interface to be
     1.5      /// able to automatically created by the algorithm (i.e. the
     1.6      /// digraph and the maximum level should be passed to it).
     1.7 -    /// However an external elevator object could also be passed to the
     1.8 +    /// However, an external elevator object could also be passed to the
     1.9      /// algorithm with the \ref elevator(Elevator&) "elevator()" function
    1.10      /// before calling \ref run() or \ref init().
    1.11      /// \sa SetElevator