diff --git a/Squid.cs b/Squid.cs
index 8aceb30..6963f3c 100644
--- a/Squid.cs
+++ b/Squid.cs
@@ -9,7 +9,24 @@
//
// Copyright © FCS 2015-2022
//
-// Derived from https:github.com/csharpvitamins/CSharpVitamins.ShortGuid
+//
+// Derived from https:github.com/csharpvitamins/CSharpVitamins.ShortGuid
+// Part of FCS.Lib - a set of utilities for C# - pieced together from fragments
+// Copyright (C) 2021 FCS
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see .
+//
// ***********************************************************************
using System;