Fixed documentation

diff --git a/include/deal.II/grid/grid_generator.h b/include/deal.II/grid/grid_generator.h
index f5b8e90b62411bdb47bfe52591103aaa15df5a21..1edd4b6ec578f37eab3a59cd33dd30c0b125755e 100644 (file)
--- a/include/deal.II/grid/grid_generator.h
+++ b/include/deal.II/grid/grid_generator.h
@@ -969,8 +969,8 @@ namespace GridGenerator
    * The manifold id for the hull of the cylinder is set to zero, and a
    * CylindricalManifold is attached to it.
    *
-   * @pre The triangulation passed as argument needs to be empty when calling
-   * this function.
+   * @param tria The triangulation to be created. It needs to be empty upon
+   * calling this function.
    *
    * @param x_subdivisions A positive integer denoting the number
    * of cells to generate in the x direction. The default cylinder has