diff --git a/examples/lattice/simple/plots.xml b/examples/lattice/simple/plots.xml
index a8c6fbb7c..a25a5a828 100644
--- a/examples/lattice/simple/plots.xml
+++ b/examples/lattice/simple/plots.xml
@@ -5,6 +5,7 @@
     <origin>0. 0. 0.</origin>
     <width>4.0 4.0</width>
     <pixels>400 400</pixels>
+    <!-- <meshlines mesh="1" linewidth="2" color="0 255 0"/> -->
   </plot>
 
 </plots>