fix link

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1769361 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/site.xml b/src/site/site.xml
index 4b2c994..0bfac76 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -28,6 +28,7 @@
     <menu name="Reference">
       <item name="Descriptor Format" href="./assembly.html"/>
       <item name="Predefined Descriptors" href="./descriptor-refs.html"/>
+      <item name="Components" href="./assembly-component.html"/>
     </menu>
 
     <menu name="Overview">