docs: update comment in write response
@@ -54,7 +54,7 @@ message WriteRelationTuplesResponse {
// with the same index as specified in the `relation_tuple_deltas` field of
// the WriteRelationTuplesRequest request.
//
- // The snaptoken is nil at the same index
- // if the RelationTupleWriteDelta_Action was DELETE.
+ // If the RelationTupleWriteDelta_Action was DELETE
+ // the snaptoken is empty at the same index.
repeated string snaptokens = 1;
}
