diff --git a/dune/solvers/solvers/quadraticipopt.hh b/dune/solvers/solvers/quadraticipopt.hh
index 3b9395cd4b1d215f2b4c93a43a15e4e7858528b2..4cbd5a774e67be18512f0f30b40e05589f32cb15 100644
--- a/dune/solvers/solvers/quadraticipopt.hh
+++ b/dune/solvers/solvers/quadraticipopt.hh
@@ -770,7 +770,7 @@ void QuadraticIPOptSolver<MatrixType,VectorType,JacobianType>::solve()
     DUNE_THROW(Dune::Exception, "IPOpt returned 'Invalid_Option' error!");
 
   if (status == Ipopt::Solved_To_Acceptable_Level)
-      std::cout<<"WARNING: Desired tolerance could not be reached, but still accetable tolerance is reached.\n";
+      std::cout<<"WARNING: Desired tolerance could not be reached, but still acceptable tolerance is reached.\n";
   else if (status == Ipopt::Search_Direction_Becomes_Too_Small) {
       std::array<Ipopt::Number,4> inf;
       app->Statistics()->Infeasibilities(inf[0],inf[1],inf[2],inf[3]);