Update descriptor protos

1 files changed, 6 insertions, 0 deletions

diff --git a/objectivec/google/protobuf/FieldMask.pbobjc.h b/objectivec/google/protobuf/FieldMask.pbobjc.h
index 07e60818..75cf856c 100644
--- a/objectivec/google/protobuf/FieldMask.pbobjc.h
+++ b/objectivec/google/protobuf/FieldMask.pbobjc.h
@@ -252,6 +252,12 @@ typedef GPB_ENUM(GPBFieldMask_FieldNumber) {
  *
  * Note that oneof type names ("test_oneof" in this case) cannot be used in
  * paths.
+ *
+ * ## Field Mask Verification
+ *
+ * The implementation of the all the API methods, which have any FieldMask type
+ * field in the request, should verify the included field paths, and return
+ * `INVALID_ARGUMENT` error if any path is duplicated or unmappable.
  **/
 @interface GPBFieldMask : GPBMessage