diff --git a/src/main/java/org/elasticsearch/index/codec/postingsformat/DefaultPostingsFormatProvider.java b/src/main/java/org/elasticsearch/index/codec/postingsformat/DefaultPostingsFormatProvider.java
index b69356eaabe..1cae8363a89 100644
--- a/src/main/java/org/elasticsearch/index/codec/postingsformat/DefaultPostingsFormatProvider.java
+++ b/src/main/java/org/elasticsearch/index/codec/postingsformat/DefaultPostingsFormatProvider.java
@@ -27,21 +27,16 @@ import org.elasticsearch.common.inject.assistedinject.Assisted;
 import org.elasticsearch.common.settings.Settings;
 
 /**
- * The default postingsformat, maps to {@link Lucene40PostingsFormat}.
+ * The default postingsformat, maps to {@link Lucene41PostingsFormat}.
  * <ul>
  * <li><tt>min_block_size</tt>: the minimum block size the default Lucene term
  * dictionary uses to encode on-disk blocks.</li>
  * 
  * <li><tt>max_block_size</tt>: the maximum block size the default Lucene term
  * dictionary uses to encode on-disk blocks.</li>
- * 
- * <li><tt>freq_cut_off</tt>: the document frequency cut off where pulsing
- * in-lines posting lists into the term dictionary. Terms with a document
- * frequency less or equal to the cutoff will be in-lined. The default is
- * <tt>1</tt></li>
  * </ul>
  */
-// LUCENE UPGRADE: Upgrade Lucene40PostingsFormat to next version
+// LUCENE UPGRADE: Check if type of field postingsFormat needs to be updated!
 public class DefaultPostingsFormatProvider extends AbstractPostingsFormatProvider {
 
     private final int minBlockSize;
diff --git a/src/main/java/org/elasticsearch/index/codec/postingsformat/PulsingPostingsFormatProvider.java b/src/main/java/org/elasticsearch/index/codec/postingsformat/PulsingPostingsFormatProvider.java
index ac6bd060596..9a83cbea3c1 100644
--- a/src/main/java/org/elasticsearch/index/codec/postingsformat/PulsingPostingsFormatProvider.java
+++ b/src/main/java/org/elasticsearch/index/codec/postingsformat/PulsingPostingsFormatProvider.java
@@ -27,7 +27,7 @@ import org.elasticsearch.common.inject.assistedinject.Assisted;
 import org.elasticsearch.common.settings.Settings;
 
 /**
- * A {@link PostingsFormatProvider} for Lucenes {@link Pulsing40PostingsFormat}.
+ * A {@link PostingsFormatProvider} for Lucenes {@link Pulsing41PostingsFormat}.
  * The pulsing implementation in-lines the posting lists for very low frequent
  * terms in the term dictionary. This is useful to improve lookup performance
  * for low-frequent terms. This postings format offers the following parameters:
@@ -44,7 +44,7 @@ import org.elasticsearch.common.settings.Settings;
  * <tt>1</tt></li>
  * </ul>
  */
-// LUCENE UPGRADE: Upgrade Pulsing40PostingsFormat to next version
+// LUCENE UPGRADE: Check if type of field postingsFormat needs to be updated!
 public class PulsingPostingsFormatProvider extends AbstractPostingsFormatProvider {
 
     private final int freqCutOff;