diff --git a/maven-repository-indexer/pom.xml b/maven-repository-indexer/pom.xml
index 4953d3243..859a26bed 100644
--- a/maven-repository-indexer/pom.xml
+++ b/maven-repository-indexer/pom.xml
@@ -15,7 +15,7 @@
   -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <parent>
     <groupId>org.apache.maven.repository</groupId>
     <artifactId>maven-repository-manager</artifactId>
@@ -37,6 +37,7 @@
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-model</artifactId>
     </dependency>
+    <!-- TODO! upgrade to lucene 2.0.0 -->
     <dependency>
       <groupId>lucene</groupId>
       <artifactId>lucene</artifactId>
diff --git a/maven-repository-indexer/src/main/java/org/apache/maven/repository/indexing/DefaultRepositoryIndexSearchLayer.java b/maven-repository-indexer/src/main/java/org/apache/maven/repository/indexing/DefaultRepositoryIndexSearchLayer.java
index 068015e08..bd0eac447 100644
--- a/maven-repository-indexer/src/main/java/org/apache/maven/repository/indexing/DefaultRepositoryIndexSearchLayer.java
+++ b/maven-repository-indexer/src/main/java/org/apache/maven/repository/indexing/DefaultRepositoryIndexSearchLayer.java
@@ -63,6 +63,8 @@ public class DefaultRepositoryIndexSearchLayer
         for ( int i = 0; i < RepositoryIndex.FIELDS.length; i++ )
         {
             // TODO! does simply iterating the fields and searching each perform well enough and yield correct rankings?
+            // look into: http://wiki.apache.org/jakarta-lucene/LuceneFAQ#head-300f0756fdaa71f522c96a868351f716573f2d77
+            // ie: http://lucene.apache.org/java/docs/api/org/apache/lucene/queryParser/MultiFieldQueryParser.html
             QueryTerm term = new QueryTerm( RepositoryIndex.FIELDS[i], keyword );
             List results = searchAdvanced( new SingleTermQuery( term ), index );
             for ( Iterator iter = results.iterator(); iter.hasNext(); )