Fix formula markup.

git-svn-id: https://svn.dealii.org/trunk@23643 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/fe/fe_values.h b/deal.II/include/deal.II/fe/fe_values.h
index 2f1cfa491153d3e4d8f1d2c37d860e51d234a9bb..fff75531d437d654796f3575006787c88d01f790 100644 (file)
--- a/deal.II/include/deal.II/fe/fe_values.h
+++ b/deal.II/include/deal.II/fe/fe_values.h
@@ -1010,10 +1010,10 @@ namespace FEValuesViews
                                    * divergence of a symmetric tensor
                                    * $S_{ij}, 0\le i,j<\text{dim}$ is
                                    * defined as
-                                   * $d_i = \sum_j \frac{\partial S_{ij}{\partial x_j},
+                                   * $d_i = \sum_j \frac{\partial S_{ij}}{\partial x_j},
                                    * 0\le i<\text{dim}$,
                                    * which due to the symmetry of the tensor is also
-                                   * $d_i = \sum_j \frac{\partial S_{ji}{\partial x_j}$.
+                                   * $d_i = \sum_j \frac{\partial S_{ji}}{\partial x_j}$.
                                    * In other words, it due to the symmetry
                                    * of $S$ it does not matter whether
                                    * we apply the nabla operator by row