Grammar fix.

git-svn-id: https://svn.dealii.org/trunk@24356 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 7615b5d80c1fbee7677a92b8d811f16af0abdbd1..b6cec9d0d8038e8708c28d07a943003157a8fc33 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 Dirichlet boundary conditions all
+as we applied to <i>A</i>. If this is a Dirichlet boundary conditions 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
@@ -950,7 +950,7 @@ In much the same way as we used PETSc to support our linear algebra needs in
 step-17 and step-18, we use interfaces to the <a
 href="http://trilinos.sandia.gov">Trilinos</a> library (see the
 deal.II README file for installation instructions) in this program. Trilinos
-is a very large collection of 
+is a very large collection of
 everything that has to do with linear and nonlinear algebra, as well as all
 sorts of tools around that (and looks like it will grow in many other
 directions in the future as well).