Fix spelling errors

es.go

@@ -467,7 +467,7 @@ func (c *Client) DeleteSnapshot(repository string, snapshot string) error {
 	}
 
 	if !response.Acknowledged {
-		return fmt.Errorf(`Request to delete snapshot "%s" on respository "%s" was not acknowledged. %+v`, snapshot, repository, response)
+		return fmt.Errorf(`Request to delete snapshot "%s" on repository "%s" was not acknowledged. %+v`, snapshot, repository, response)
 	}
 
 	return nil

integration_test.go

@@ -78,7 +78,7 @@ func TestSnapshots(t *testing.T) {
 	}
 
 	if len(snapshots) != 1 || snapshots[0].Name != "snapshot_1" {
-		t.Fatalf("Did not retreive expected snapshots: %+v", snapshots)
+		t.Fatalf("Did not retrieve expected snapshots: %+v", snapshots)
 	}
 
 	snapshot, err := c.GetSnapshotStatus("backup-repo", "snapshot_1")