diff --git a/google-cloud-document_ai-v1/proto_docs/google/cloud/documentai/v1/document.rb b/google-cloud-document_ai-v1/proto_docs/google/cloud/documentai/v1/document.rb
index 2fd213f4d0e7..c2d2ff20794b 100644
--- a/google-cloud-document_ai-v1/proto_docs/google/cloud/documentai/v1/document.rb
+++ b/google-cloud-document_ai-v1/proto_docs/google/cloud/documentai/v1/document.rb
@@ -99,10 +99,10 @@ module V1
         #     entity extraction results at different stages of the processing.
         # @!attribute [rw] entities_revision_id
         #   @return [::String]
-        #     The entity revision id that `document.entities` field is based on.
+        #     The entity revision ID that `document.entities` field is based on.
         #     If this field is set and `entities_revisions` is not empty, the entities in
         #     `document.entities` field are the entities in the entity revision with this
-        #     id and `document.entity_validation_output` field is the
+        #     ID and `document.entity_validation_output` field is the
         #     `entity_validation_output` field in this entity revision.
         class Document
           include ::Google::Protobuf::MessageExts