diff --git a/src/client.rs b/src/client.rs
index f40d5a7..82c99a0 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -1,3 +1,6 @@
+// Copyright 2024-, Semiotic AI, Inc.
+// SPDX-License-Identifier: Apache-2.0
+
 use std::str::FromStr;
 
 use crate::error::ClientError;