HDFS-11963. Ozone: Documentation: Add getting started page (addendum). Contributed by Yiqun Lin.

hadoop-project/src/site/site.xml

@@ -112,7 +112,7 @@
     <menu name="Ozone" inherit="top">
       <item name="Getting Started" href="hadoop-project-dist/hadoop-hdfs/OzoneGettingStarted.html"/>
       <item name="Commands Reference" href="hadoop-project-dist/hadoop-hdfs/OzoneCommandShell.html"/>
-      <item name="Ozone Metrics" href="hadoop-project-dist/hadoop-hdfs/Ozonemetrics.html"/>
+      <item name="Ozone Metrics" href="hadoop-project-dist/hadoop-hdfs/OzoneMetrics.html"/>
     </menu>
 
     <menu name="MapReduce" inherit="top">
@@ -209,7 +209,6 @@
       <item name="Java API docs" href="api/index.html"/>
       <item name="Unix Shell API" href="hadoop-project-dist/hadoop-common/UnixShellAPI.html"/>
       <item name="Metrics" href="hadoop-project-dist/hadoop-common/Metrics.html"/>
-      <item name="Ozone Metrics" href="hadoop-project-dist/hadoop-hdfs/Ozonemetrics.html"/>
     </menu>
     
     <menu name="Configuration" inherit="top">