Further correction.

git-svn-id: https://svn.dealii.org/trunk@24357 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 b6cec9d0d8038e8708c28d07a943003157a8fc33..715628b799fe3528dca1cf29b6486bbd1381db22 100644 (file)
--- a/deal.II/examples/step-31/doc/intro.dox
+++ b/deal.II/examples/step-31/doc/intro.dox
@@ -771,7 +771,7 @@ because it neglects the coupling of components at the boundary. A
 better way to do things is therefore if we build the matrix $\hat A$
 as the vector Laplace matrix $\hat A_{ij} = (\nabla {\mathbf v}_i,
 \eta \nabla {\mathbf v}_j)$ and then apply the same boundary condition
-as we applied to <i>A</i>. If this is a Dirichlet boundary conditions all
+as we applied to <i>A</i>. If this is a Dirichlet boundary condition all
 around the domain, the $\hat A$ will decouple to three diagonal blocks
 as above, and if the boundary conditions are of the form $\mathbf u
 \cdot \mathbf n = 0$ then this will introduce a coupling of degrees of