Update results.dox

Invalid domain

diff --git a/examples/step-4/doc/results.dox b/examples/step-4/doc/results.dox
index a952d39d5752dfbc7df7bc5f7d304df577cb2d5c..3b9a95c900889dd91c1c0cdc4920312fadf386d4 100644 (file)
--- a/examples/step-4/doc/results.dox
+++ b/examples/step-4/doc/results.dox
@@ -92,7 +92,7 @@ the name of the user doing so and the time and date on the bottom right. None
 of this is important 
 here: the axes are equally easy to make out because the tripod at the bottom
 left is still visible, and we know from the program that the domain is
-$[0,1]^3$, so there is no need for tick marks. As a consequence, I have
+$[-1,1]^3$, so there is no need for tick marks. As a consequence, I have
 switched off all the extraneous stuff in the picture: The art of visualization
 is to reduce the picture to those parts that are important to see what one
 wants to see, but no more.