Fix doxygen issue.

Make it clear to doxygen that "2018." at the beginning of a line is
not an attempt to create a numbered list...

diff --git a/examples/step-70/doc/intro.dox b/examples/step-70/doc/intro.dox
index acad6427d9c8920c12ecd28b8bf9f15485856eab..24a10dc67d9811237079bb67f233c4d12ecca047 100644 (file)
--- a/examples/step-70/doc/intro.dox
+++ b/examples/step-70/doc/intro.dox
@@ -520,8 +520,8 @@ demonstrating the time-reversibility of the flow.
   Finite Element Methods.” Computer Methods in Applied Mechanics and Engineering
   229–232.
 
-<li> Gassmöller, R., H. Lokavarapu, E. Heien, E. G. Puckett, and W. Bangerth.
-  2018.  "Flexible and Scalable Particle‐in‐Cell Methods With Adaptive Mesh
-  Refinement for Geodynamic Computations." Geochemistry, Geophysics, Geosystems
-  19(9).  3596-3604.
+<li> Gassmöller, R., H. Lokavarapu, E. Heien, E. G. Puckett, and
+  W. Bangerth. 2018.  "Flexible and Scalable Particle‐in‐Cell Methods
+  With Adaptive Mesh Refinement for Geodynamic Computations."
+  Geochemistry, Geophysics, Geosystems 19(9).  3596-3604.
 </ul>