fix a copy-paste typo

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_3x@1166550 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lucene/src/site/src/documentation/content/xdocs/lucene-contrib/index.xml b/lucene/src/site/src/documentation/content/xdocs/lucene-contrib/index.xml
index e0648df..738403b 100644
--- a/lucene/src/site/src/documentation/content/xdocs/lucene-contrib/index.xml
+++ b/lucene/src/site/src/documentation/content/xdocs/lucene-contrib/index.xml
@@ -68,7 +68,7 @@
 
             <section id="facet"><title>facet</title>
                 <p>Provides faceted indexing and search capabilities</p>
-                <p>See <a href="../api/contrib-facet/index.html">grouping javadoc</a></p>
+                <p>See <a href="../api/contrib-facet/index.html">facet javadoc</a></p>
             </section>
             
             <section id="grouping"><title>grouping</title>