diff --git a/rslib/src/backend.rs b/rslib/src/backend.rs
index 8600fe82d..ae693c17f 100644
--- a/rslib/src/backend.rs
+++ b/rslib/src/backend.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use crate::backend_proto as pt;
 use crate::backend_proto::backend_input::Value;
 use crate::backend_proto::RenderedTemplateReplacement;
diff --git a/rslib/src/err.rs b/rslib/src/err.rs
index acf3a2062..6f3328386 100644
--- a/rslib/src/err.rs
+++ b/rslib/src/err.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 pub use failure::{Error, Fail};
 
 pub type Result<T> = std::result::Result<T, AnkiError>;
diff --git a/rslib/src/lib.rs b/rslib/src/lib.rs
index 965c9cd60..285852037 100644
--- a/rslib/src/lib.rs
+++ b/rslib/src/lib.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 mod backend_proto;
 
 pub mod backend;
diff --git a/rslib/src/sched.rs b/rslib/src/sched.rs
index 7b65654b3..91ddfcd90 100644
--- a/rslib/src/sched.rs
+++ b/rslib/src/sched.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use chrono::{Date, Duration, FixedOffset, Local, TimeZone};
 
 pub struct SchedTimingToday {
diff --git a/rslib/src/template.rs b/rslib/src/template.rs
index cf555a3be..ae5e59e25 100644
--- a/rslib/src/template.rs
+++ b/rslib/src/template.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use crate::err::{AnkiError, Result};
 use lazy_static::lazy_static;
 use nom;