diff --git a/Beacon/Utilities/Lexer.swift b/Beacon/Utilities/Lexer.swift
index cb01d7a..18012e5 100644
--- a/Beacon/Utilities/Lexer.swift
+++ b/Beacon/Utilities/Lexer.swift
@@ -2,6 +2,7 @@
 //  Lexer.swift
 //  Arrayground
 //
+//  Lexing adapted from https://github.com/dzaima/paste
 
 import Foundation
 import SwiftUI