Trailing space.

diff --git a/examples/step-70/doc/intro.dox b/examples/step-70/doc/intro.dox
index 643ab2dd30b5b5bfe5a65f0b92d661de4acd5ab0..57ecb11d1933930941bf7dfe1e70de64f536de39 100644 (file)
--- a/examples/step-70/doc/intro.dox
+++ b/examples/step-70/doc/intro.dox
@@ -435,7 +435,7 @@ after the fluid has been displaced in a periodic manner.
 
 @endhtmlonly
 
-In the present problem, a very viscous fluid is agitated by the rotation of 
+In the present problem, a very viscous fluid is agitated by the rotation of
 an impeller, which, in 2D, is modeled by a rectangular grid. The impeller
 rotates for a given number of revolutions and than, the flow is reversed such
 that the same number of revolutions is carried out in the opposite direction. We