Fix examples in doc for `pipe_junction`.

diff --git a/include/deal.II/grid/grid_generator.h b/include/deal.II/grid/grid_generator.h
index 695af773e199015f17a564803779847e213e37fa..ca907ee8d59a2ad2997a41ab512ecff1916c3224 100644 (file)
--- a/include/deal.II/grid/grid_generator.h
+++ b/include/deal.II/grid/grid_generator.h
@@ -1126,9 +1126,9 @@ namespace GridGenerator
    *       <tr><td rowspan="3">Openings
    *           <td>$(-2,0,0)$
    *           <td>$1$
-   *       <tr><td>$(1,\sqrt{3},1)$
+   *       <tr><td>$(1,\sqrt{3},0)$
    *           <td>$1$
-   *       <tr><td>$(1,-\sqrt{3},1)$
+   *       <tr><td>$(1,-\sqrt{3},0)$
    *           <td>$1$
    *       <tr><td>Bifurcation
    *           <td>$(0,0,0)$