diff --git a/Package.swift b/Package.swift
index b0d35db3d..b3e402a56 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,5 +1,8 @@
 // swift-tools-version:5.9
+//
 // The swift-tools-version declares the minimum version of Swift required to build this package.
+// Swift 5.9 is available from Xcode 15.0.
+
 
 import PackageDescription