diff --git a/dune/istl/matrixmarket.hh b/dune/istl/matrixmarket.hh
index f46310380838001fd406a07cd5e5bcc583c7d1f9..325aad21a58a6965bd3bc6b7df0bea4b5436c907 100644
--- a/dune/istl/matrixmarket.hh
+++ b/dune/istl/matrixmarket.hh
@@ -31,7 +31,9 @@ namespace Dune
    * PrintSparseMatrix prints a sparse matrix omitting all nonzeroes.
    * With writeMatrixToMatlab one can write a matrix in a Matlab readable format.
    * Using storeMartrixMarket and loadMatrixMarket one can store and load a parallel ISTL
-   * matrix in MatrixMarket format.
+   * matrix in MatrixMarket format. The latter can even read a matrix written with
+   * writeMatrixToMatlab.
+   *
    *
    * @addtogroup ISTL_IO
    * @{