diff --git a/Package@swift-5.9.swift b/Package@swift-5.9.swift
index 2d7c307..431335a 100644
--- a/Package@swift-5.9.swift
+++ b/Package@swift-5.9.swift
@@ -1,4 +1,5 @@
-// swift-tools-version:5.9
+// swift-tools-version: 5.9
+
 import PackageDescription
 
 let package = Package(