Fixed the SnapshotsInProgress error during index deletion

Signed-off-by: Xue Zhou <[email protected]>

CHANGELOG.md

@@ -74,7 +74,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fixed the ignore_malformed setting to also ignore objects ([#4494](https://github.com/opensearch-project/OpenSearch/pull/4494))
 - [Segment Replication] Ignore lock file when testing cleanupAndPreserveLatestCommitPoint ([#4544](https://github.com/opensearch-project/OpenSearch/pull/4544))
 - Updated jackson to 2.13.4 and snakeyml to 1.32 ([#4556](https://github.com/opensearch-project/OpenSearch/pull/4556))
-- Fixed the snapshotsInProgress error during index deletion ([#4570](https://github.com/opensearch-project/OpenSearch/pull/4570))
+- Fixed the SnapshotsInProgress error during index deletion ([#4570](https://github.com/opensearch-project/OpenSearch/pull/4570))
 
 ### Security
 - CVE-2022-25857 org.yaml:snakeyaml DOS vulnerability ([#4341](https://github.com/opensearch-project/OpenSearch/pull/4341))

server/src/main/java/org/opensearch/snapshots/SnapshotsService.java

@@ -2968,8 +2968,8 @@ private SnapshotsInProgress updatedSnapshotsInProgress(ClusterState currentState
                             final SnapshotsInProgress.Entry updatedEntry = entry.withShardStates(updatedAssignmentsBuilder.build());
                             snapshotEntries.add(updatedEntry);
                             changed = true;
-                            // Finalize the completed snapshot when all the required shards are missing during in-progress snapshots update
-                            // after a snapshot deletion is completed.
+                            // When all the required shards for a snapshot are missing, the snapshot state will be "completed"
+                            // need to finalize it.
                             if (updatedEntry.state().completed()) {
                                 newFinalizations.add(entry);
                             }