diff --git a/core-foundation-sys/src/data.rs b/core-foundation-sys/src/data.rs
index 6a42b2b..6fe235e 100644
--- a/core-foundation-sys/src/data.rs
+++ b/core-foundation-sys/src/data.rs
@@ -1,3 +1,12 @@
+// Copyright 2013-2015 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 use libc::c_void;
 
 use base::{CFAllocatorRef, CFTypeID, CFIndex};
diff --git a/core-foundation-sys/src/filedescriptor.rs b/core-foundation-sys/src/filedescriptor.rs
index 7f5624e..42e9a2c 100644
--- a/core-foundation-sys/src/filedescriptor.rs
+++ b/core-foundation-sys/src/filedescriptor.rs
@@ -1,3 +1,12 @@
+// Copyright 2013-2015 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 use libc::{c_void, c_int};
 use base::{Boolean, CFIndex, CFTypeID, CFOptionFlags, CFAllocatorRef};
 use string::CFStringRef;
diff --git a/core-foundation-sys/src/propertylist.rs b/core-foundation-sys/src/propertylist.rs
index 2396ef9..574c4d1 100644
--- a/core-foundation-sys/src/propertylist.rs
+++ b/core-foundation-sys/src/propertylist.rs
@@ -1,3 +1,12 @@
+// Copyright 2013-2015 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 use base::{CFAllocatorRef, CFIndex, CFOptionFlags, CFTypeRef};
 use data::CFDataRef;
 use error::CFErrorRef;
diff --git a/core-foundation/src/filedescriptor.rs b/core-foundation/src/filedescriptor.rs
index f876b21..2320d06 100644
--- a/core-foundation/src/filedescriptor.rs
+++ b/core-foundation/src/filedescriptor.rs
@@ -1,3 +1,12 @@
+// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 pub use core_foundation_sys::filedescriptor::*;
 
 use core_foundation_sys::base::{Boolean, CFIndex};