From e522147eb11eb406e152ebdd1a8a2277cbdf8fb4 Mon Sep 17 00:00:00 2001
From: Mike McCandless <mikemccand@apache.org>
Date: Mon, 22 Apr 2019 11:52:18 -0400
Subject: [PATCH] cosmetic fix in FST.Builder assertion (thanks zhenyuan wei)

---
 lucene/core/src/java/org/apache/lucene/util/fst/Builder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lucene/core/src/java/org/apache/lucene/util/fst/Builder.java b/lucene/core/src/java/org/apache/lucene/util/fst/Builder.java
index 428edd360de..5662cbed881 100644
--- a/lucene/core/src/java/org/apache/lucene/util/fst/Builder.java
+++ b/lucene/core/src/java/org/apache/lucene/util/fst/Builder.java
@@ -583,7 +583,7 @@ public class Builder<T> {
 
     public void addArc(int label, Node target) {
       assert label >= 0;
-      assert numArcs == 0 || label > arcs[numArcs-1].label: "arc[-1].label=" + arcs[numArcs-1].label + " new label=" + label + " numArcs=" + numArcs;
+      assert numArcs == 0 || label > arcs[numArcs-1].label: "arc[numArcs-1].label=" + arcs[numArcs-1].label + " new label=" + label + " numArcs=" + numArcs;
       if (numArcs == arcs.length) {
         final Arc<T>[] newArcs = ArrayUtil.grow(arcs, numArcs+1);
         for(int arcIdx=numArcs;arcIdx<newArcs.length;arcIdx++) {