diff --git a/lucene/core/src/java/org/apache/lucene/index/IndexWriter.java b/lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
index e9751e18d4b..364ad554f74 100644
--- a/lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
+++ b/lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
@@ -3699,7 +3699,7 @@ public class IndexWriter implements Closeable, TwoPhaseCommit {
   }
 
   /**
-   * Returns <code>true</code> if the index in the named directory is
+   * Returns <code>true</code> iff the index in the named directory is
    * currently locked.
    * @param directory the directory to check for a lock
    * @throws IOException if there is a low-level IO error