diff --git a/README.md b/README.md
index 80f82fc6..d290f270 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,9 @@ so_feread_auth();
 
 /* ParameterStatus */
 so_feread_parameter();
+
+/* ErrorResponse */
+so_feread_error();
 ```
 
 **BACKEND**