1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 994993f..06bf180 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
 use std::collections::HashMap;
 use std::fmt::Display;