Fix heading level in step-7 results.dox.

diff --git a/examples/step-7/doc/results.dox b/examples/step-7/doc/results.dox
index dc51316b05af57b8be60fcd45d4ffba1c2d8ca65..ff29a3db786fe372dc4f8fad97faec46a3164a73 100644 (file)
--- a/examples/step-7/doc/results.dox
+++ b/examples/step-7/doc/results.dox
@@ -187,7 +187,7 @@ here) that is written into a file in a way so that it could be
 copy-pasted into a LaTeX document.
 
 
-<h4> When is the error "small"? </h4>
+<h3> When is the error "small"? </h3>
 
 What we showed above is how to determine the size of the error
 $\|u-u_h\|$ in a number of different norms. We did this primarily