diff --git a/graphql/admin/admin.go b/graphql/admin/admin.go
index 06bdfb619f9..bdf3620f457 100644
--- a/graphql/admin/admin.go
+++ b/graphql/admin/admin.go
@@ -211,7 +211,7 @@ const (
 
 	input ExportInput {
 		"""
-		Data format for the export, e.g. json or rdf
+		Data format for the export, e.g. "rdf" or "json" (default: "rdf")
 		"""
 		format: String