diff --git a/src/main.rs b/src/main.rs
line changes: +18/-0
index 8b73773..6497443
--- a/src/main.rs
+++ b/src/main.rs

@@ -1,3 +1,21 @@
+// # License (AGPL Version 3.0)
+//
+// photo-what-what - tool to automate tagging of image files
+// Copyright (C) 2025 Trevor Bentley <pww@x.mrmekon.com>
+//
+// 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 <https://www.gnu.org/licenses/>.
+//
 use regex::Regex;
 use std::collections::HashSet;
 use std::io::Read;