diff --git a/solr/core/src/java/org/apache/solr/handler/RealTimeGetHandler.java b/solr/core/src/java/org/apache/solr/handler/RealTimeGetHandler.java
index 901e366f91a..a36ef13abfe 100644
--- a/solr/core/src/java/org/apache/solr/handler/RealTimeGetHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/RealTimeGetHandler.java
@@ -24,25 +24,6 @@ import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 
-/**
- *
- *
- * All of the following options may be configured for this handler
- * in the solrconfig as defaults, and may be overriden as request parameters.
- * (TODO: complete documentation of request parameters here, rather than only
- * on the wiki).
- * </p>
- *
- * <ul>
- * <li> highlight - Set to any value not .equal() to "false" to enable highlight
- * generation</li>
- * <li> highlightFields - Set to a comma- or space-delimited list of fields to
- * highlight.  If unspecified, uses the default query field</li>
- * <li> maxSnippets - maximum number of snippets to generate per field-highlight.
- * </li>
- * </ul>
- *
- */
 public class RealTimeGetHandler extends SearchHandler {
   @Override
   protected List<String> getDefaultComponents()
diff --git a/solr/core/src/java/org/apache/solr/update/FSUpdateLog.java b/solr/core/src/java/org/apache/solr/update/FSUpdateLog.java
index 630c73c3167..136b72d3cf9 100644
--- a/solr/core/src/java/org/apache/solr/update/FSUpdateLog.java
+++ b/solr/core/src/java/org/apache/solr/update/FSUpdateLog.java
@@ -1,3 +1,20 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.solr.update;
 
 import org.apache.lucene.util.BytesRef;
@@ -17,6 +34,7 @@ import java.nio.channels.FileChannel;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 
+/** @lucene.experimental */
 class NullUpdateLog extends UpdateLog {
   @Override
   public void init(PluginInfo info) {
@@ -64,6 +82,7 @@ class NullUpdateLog extends UpdateLog {
   }
 }
 
+/** @lucene.experimental */
 public class FSUpdateLog extends UpdateLog {
 
   public static String TLOG_NAME="tlog";
diff --git a/solr/core/src/java/org/apache/solr/update/UpdateLog.java b/solr/core/src/java/org/apache/solr/update/UpdateLog.java
index 868ea8cbb1a..bf77cd06d15 100644
--- a/solr/core/src/java/org/apache/solr/update/UpdateLog.java
+++ b/solr/core/src/java/org/apache/solr/update/UpdateLog.java
@@ -1,9 +1,27 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.solr.update;
 
 import org.apache.lucene.util.BytesRef;
 import org.apache.solr.core.SolrCore;
 import org.apache.solr.util.plugin.PluginInfoInitialized;
 
+/** @lucene.experimental */
 public abstract class UpdateLog implements PluginInfoInitialized {
   public static final int ADD = 0x00;
   public static final int DELETE = 0x01;