diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index b476b73652a..0f40170c5e6 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -80,6 +80,11 @@ Improvements
 
 * LUCENE-8818: Fix smokeTestRelease.py encoding bug (janhoy)
 
+Test Framework
+
+* LUCENE-8825: CheckHits now display the shard index in case of mismatch
+  between top hits. (Atri Sharma via Adrien Grand)
+
 ======================= Lucene 8.1.1 =======================
 (No Changes)
 
diff --git a/lucene/test-framework/src/java/org/apache/lucene/search/CheckHits.java b/lucene/test-framework/src/java/org/apache/lucene/search/CheckHits.java
index b015e15a193..36a77fb2b7e 100644
--- a/lucene/test-framework/src/java/org/apache/lucene/search/CheckHits.java
+++ b/lucene/test-framework/src/java/org/apache/lucene/search/CheckHits.java
@@ -232,14 +232,15 @@ public class CheckHits {
     for (int i=start; i<end; i++) {
         sb.append("hit=").append(i).append(':');
       if (i<len1) {
-          sb.append(" doc").append(hits1[i].doc).append('=').append(hits1[i].score);
+          sb.append(" doc").append(hits1[i].doc).append('=').append(hits1[i].score).append(" shardIndex=").append(hits1[i].shardIndex);
       } else {
         sb.append("               ");
       }
       sb.append(",\t");
       if (i<len2) {
-        sb.append(" doc").append(hits2[i].doc).append('=').append(hits2[i].score);
+        sb.append(" doc").append(hits2[i].doc).append('=').append(hits2[i].score).append(" shardIndex=").append(hits2[i].shardIndex);
       }
+
       sb.append('\n');
     }
     return sb.toString();