diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index 3ab9bd27354..697c0afea2b 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -131,6 +131,10 @@ New Features
 * LUCENE-5296: Add DirectDocValuesFormat, which holds all doc values
   in heap as uncompressed java native arrays.  (Mike McCandless)
 
+* LUCENE-5189: Add IndexWriter.updateNumericDocValues, to update
+  numeric DocValues fields of documents, without re-indexing them.
+  (Shai Erera, Mike McCandless, Robert Muir)
+  
 Bug Fixes
 
 * LUCENE-4998: Fixed a few places to pass IOContext.READONCE instead
diff --git a/lucene/core/src/java/org/apache/lucene/index/SegmentReader.java b/lucene/core/src/java/org/apache/lucene/index/SegmentReader.java
index eedaf2fe59a..976cf3a4d03 100644
--- a/lucene/core/src/java/org/apache/lucene/index/SegmentReader.java
+++ b/lucene/core/src/java/org/apache/lucene/index/SegmentReader.java
@@ -75,7 +75,7 @@ public final class SegmentReader extends AtomicReader {
   
   final FieldInfos fieldInfos;
 
-  private final List<Long> dvGens = new ArrayList<>();
+  private final List<Long> dvGens = new ArrayList<Long>();
   
   /**
    * Constructs a new SegmentReader with a new core.