Typo fix on network examples index (#3989)

network_examples.html

@@ -153,7 +153,7 @@
     <a class='exampleLink' href="examples/network/exampleApplications/disassemblerExample.html">disassembler example</a><br />
     <a class='exampleLink' href="examples/network/exampleApplications/lesMiserables.html">les miserables cast</a><br />
     <a class='exampleLink' href="examples/network/exampleApplications/loadingBar.html">loading bar during stabilization</a><br />
-    <a class='exampleLink' href="examples/network/exampleApplications/neighbourhoodHighlight.html">neighbourhood heighlight</a><br />
+    <a class='exampleLink' href="examples/network/exampleApplications/neighbourhoodHighlight.html">neighbourhood highlight</a><br />
     <a class='exampleLink' href="examples/network/exampleApplications/nodeLegend.html">using nodes as a legend</a><br />
     <a class='exampleLink' href="examples/network/exampleApplications/worldCupPerformance.html">performance test with the worldcup data</a><br />