Fix Snapshot Javadoc Issues (#57083) (#57122)

Fixing some incorrect JavaDoc and a typo.

Co-authored-by: jinwook han <jin942002@naver.com>

server/src/main/java/org/elasticsearch/action/admin/cluster/repositories/verify/VerifyRepositoryAction.java

@@ -22,7 +22,7 @@ package org.elasticsearch.action.admin.cluster.repositories.verify;
 import org.elasticsearch.action.ActionType;
 
 /**
- * Unregister repository action
+ * Verify repository action
  */
 public class VerifyRepositoryAction extends ActionType<VerifyRepositoryResponse> {
 

server/src/main/java/org/elasticsearch/action/admin/cluster/repositories/verify/VerifyRepositoryRequest.java

@@ -29,9 +29,7 @@ import java.io.IOException;
 import static org.elasticsearch.action.ValidateActions.addValidationError;
 
 /**
- * Unregister repository request.
- * <p>
- * The unregister repository command just unregisters the repository. No data is getting deleted from the repository.
+ * Verify repository request.
  */
 public class VerifyRepositoryRequest extends AcknowledgedRequest<VerifyRepositoryRequest> {
 

server/src/main/java/org/elasticsearch/action/admin/cluster/repositories/verify/VerifyRepositoryRequestBuilder.java

@@ -23,7 +23,7 @@ import org.elasticsearch.action.support.master.MasterNodeOperationRequestBuilder
 import org.elasticsearch.client.ElasticsearchClient;
 
 /**
- * Builder for unregister repository request
+ * Builder for verify repository request
  */
 public class VerifyRepositoryRequestBuilder
         extends MasterNodeOperationRequestBuilder<VerifyRepositoryRequest, VerifyRepositoryResponse, VerifyRepositoryRequestBuilder> {

server/src/main/java/org/elasticsearch/action/bulk/BulkItemResponse.java

@@ -51,7 +51,7 @@ import static org.elasticsearch.common.xcontent.XContentParserUtils.throwUnknown
 
 /**
  * Represents a single item response for an action executed as part of the bulk API. Holds the index/type/id
- * of the relevant action, and if it has failed or not (with the failure message incase it failed).
+ * of the relevant action, and if it has failed or not (with the failure message in case it failed).
  */
 public class BulkItemResponse implements Writeable, StatusToXContentObject {