diff --git a/README.md b/README.md
index 70d30f0..934da68 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,8 @@ Ruleset->get_errors();
 
 Use `Ruleset->is_valid(): bool` to quickly check if any errors are set.
 
+You can also use `Ruleset->validate_or_exit(): true|Response` to automatically return a `Reflect\Response` with all errors to current STDOUT if validation fails.
+
 # Installation
 
 Install with composer