Fix a formula.

diff --git a/doc/doxygen/headers/update_flags.h b/doc/doxygen/headers/update_flags.h
index 593257073591957c07ef45ab47f4e3c7852eef6f..30eb1a14d756e1831d88ba44f78cee9bed44b05a 100644 (file)
--- a/doc/doxygen/headers/update_flags.h
+++ b/doc/doxygen/headers/update_flags.h
@@ -46,7 +46,7 @@
  * - Second, this integral is then approximated through quadrature. This yields
  *   the formula
  *   @f[
- *     A^K_{ij} = \sum_{q}J^{-1}\left[(\hat{\bf x}_q) \hat \nabla \varphi_i(\hat{\bf x}_q)\right \cdot
+ *     A^K_{ij} = \sum_{q}J^{-1}\left[(\hat{\bf x}_q) \hat \nabla \varphi_i(\hat{\bf x}_q)\right] \cdot
  *     \left[J^{-1}(\hat{\bf x}_q) \hat \nabla \varphi_j(\hat{\bf x}_q)\right]\ |\textrm{det}\ J(\hat{\bf x}_q)|
  *     w_q,
  *   @f]