diff --git a/litex_boards/platforms/mercury_xu5.py b/litex_boards/platforms/mercury_xu5.py
index e738572..d2bcb28 100644
--- a/litex_boards/platforms/mercury_xu5.py
+++ b/litex_boards/platforms/mercury_xu5.py
@@ -1,3 +1,6 @@
+# This file is Copyright (c) 2020 Antmicro <www.antmicro.com>
+# License: BSD
+
 from litex.build.generic_platform import *
 from litex.build.xilinx import XilinxPlatform, VivadoProgrammer
 
diff --git a/litex_boards/targets/mercury_xu5.py b/litex_boards/targets/mercury_xu5.py
index 49e9453..f542dde 100755
--- a/litex_boards/targets/mercury_xu5.py
+++ b/litex_boards/targets/mercury_xu5.py
@@ -1,5 +1,8 @@
 #!/usr/bin/env python3
 
+# This file is Copyright (c) 2020 Antmicro <www.antmicro.com>
+# License: BSD
+
 import argparse
 
 from migen import *