Merge pull request #175 from richardTingle/tamarinlinkCorrection

Correct link to Tamarin

Author: richardTingle

docs/modules/contributions/nav.adoc

@@ -22,6 +22,6 @@
 *** xref:tools/navigation.adoc[Mercator Projection Tool (Marine Navigation)]
 *** xref:tools/charts.adoc[Visualizing Maps in JME3 (Marine Charts)]
 ** xref:vr/topic_contributions_vr.adoc[Virtual Reality (And augmented reality)]
-*** xref:contributions.adoc#Tamarin-OpenXR[Tamarin OpenXR]
+*** xref:contributions.adoc#tamarin-openxr[Tamarin OpenXR]
 ** Projects
 *** xref:projects/rise_of_mutants_project.adoc[Rise of Mutants Project]