diff --git a/litex/soc/cores/dna.py b/litex/soc/cores/dna.py
index 5aae7b857..324659d7e 100644
--- a/litex/soc/cores/dna.py
+++ b/litex/soc/cores/dna.py
@@ -1,3 +1,4 @@
+# Copyright 2014-2015 Robert Jordens <jordens@gmail.com>
 
 from litex.gen import *
 from litex.soc.interconnect.csr import *
diff --git a/litex/soc/cores/xadc.py b/litex/soc/cores/xadc.py
index 099ee4dac..389a441c1 100644
--- a/litex/soc/cores/xadc.py
+++ b/litex/soc/cores/xadc.py
@@ -1,3 +1,5 @@
+# Copyright 2014-2015 Robert Jordens <jordens@gmail.com>
+
 from litex.gen import *
 from litex.soc.interconnect.csr import *