diff --git a/contrib/spellchecker/src/java/org/apache/lucene/search/spell/TRStringDistance.java b/contrib/spellchecker/src/java/org/apache/lucene/search/spell/TRStringDistance.java
index 992d3bba856..d79cf715153 100755
--- a/contrib/spellchecker/src/java/org/apache/lucene/search/spell/TRStringDistance.java
+++ b/contrib/spellchecker/src/java/org/apache/lucene/search/spell/TRStringDistance.java
@@ -20,7 +20,7 @@ package org.apache.lucene.search.spell;
 /**
  * Edit distance  class
  */
-public final class TRStringDistance {
+final class TRStringDistance {
 
     final char[] sa;
     final int n;