diff --git a/core/commons/v1/commons.proto b/core/commons/v1/commons.proto
index c2b6164..22f75b3 100644
--- a/core/commons/v1/commons.proto
+++ b/core/commons/v1/commons.proto
@@ -70,3 +70,4 @@ enum DocumentVisibility {
   DOCUMENT_VISIBILITY_PRIVATE = 1;
   DOCUMENT_VISIBILITY_PUBLIC = 2;
 }
+