Fix a problem pointed out by Lei Qiao in one of the formulas.

git-svn-id: https://svn.dealii.org/trunk@32661 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-31/doc/intro.dox b/deal.II/examples/step-31/doc/intro.dox
index 7676de331c69a53dfe02c6ea81c5740678407021..2735157a58cc0428101971fc6d9d1204243c7e4e 100644 (file)
--- a/deal.II/examples/step-31/doc/intro.dox
+++ b/deal.II/examples/step-31/doc/intro.dox
@@ -421,7 +421,7 @@ equivalent form:
   \nabla \cdot \kappa \nabla (T^\alpha)
   +
   \kappa(\alpha-1)
-  T^{\alpha-2} |\nabla T|^\alpha
+  T^{\alpha-2} |\nabla T|^2
   -
   \gamma
   T^{\alpha-1}