diff --git a/README.md b/README.md
index 02fae2a..2902e84 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,31 @@
 "software-only" nfc-tag-emulator (ISO 14443-3 "compatible" Type 2) for 8 bit microcontrollers
 
 Details to the circuit on http://blog.nonan.net/2013/11/simple-nfc.html
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+
+
+/*****************************************************************************
+
+Licensed under the Apache License, Version 2.0 (the "License");
+
+you may not use this file except in compliance with the License.
+
+You may obtain a copy of the License at
+
+
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+
+
+Unless required by applicable law or agreed to in writing, software
+
+distributed under the License is distributed on an "AS IS" BASIS,
+
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+
+See the License for the specific language governing permissions and
+
+limitations under the License.
+
+*****************************************************************************/