diff --git a/src/main/org/apache/tools/ant/util/FileUtils.java b/src/main/org/apache/tools/ant/util/FileUtils.java
index f345c26d4..a0952720a 100644
--- a/src/main/org/apache/tools/ant/util/FileUtils.java
+++ b/src/main/org/apache/tools/ant/util/FileUtils.java
@@ -89,7 +89,7 @@ public class FileUtils {
     /**
      * The granularity of timestamps under the NT File System.
      * NTFS has a granularity of 100 nanoseconds, which is less
-     * than 1 millisecond, so we set this to 0.
+     * than 1 millisecond, so we round this up to 1 millisecond.
      */
     public static final long NTFS_FILE_TIMESTAMP_GRANULARITY = 1;