diff --git a/lucene/demo/src/java/org/apache/lucene/demo/SearchFiles.java b/lucene/demo/src/java/org/apache/lucene/demo/SearchFiles.java
index 46c75e14675e..154a7adf5205 100644
--- a/lucene/demo/src/java/org/apache/lucene/demo/SearchFiles.java
+++ b/lucene/demo/src/java/org/apache/lucene/demo/SearchFiles.java
@@ -45,7 +45,7 @@ private SearchFiles() {}
   /** Simple command-line based search demo. */
   public static void main(String[] args) throws Exception {
     String usage =
-      "Usage:\tjava org.apache.lucene.demo.SearchFiles [-index dir] [-field f] [-repeat n] [-queries file] [-query string] [-raw] [-paging hitsPerPage]\n\nSee http://lucene.apache.org/core/4_1_0/demo/ for details.";
+      "Usage:\tjava org.apache.lucene.demo.SearchFiles [-index dir] [-field f] [-repeat n] [-queries file] [-query string] [-raw] [-paging hitsPerPage]\n\nSee http://lucene.apache.org/core/6_2_1/demo/ for details.";
     if (args.length > 0 && ("-h".equals(args[0]) || "-help".equals(args[0]))) {
       System.out.println(usage);
       System.exit(0);