diff --git a/tutorial/erl/client.erl b/tutorial/erl/client.erl
index c7a75ed..9780334 100644
--- a/tutorial/erl/client.erl
+++ b/tutorial/erl/client.erl
@@ -1,3 +1,22 @@
+%%
+%% Licensed to the Apache Software Foundation (ASF) under one
+%% or more contributor license agreements. See the NOTICE file
+%% distributed with this work for additional information
+%% regarding copyright ownership. The ASF licenses this file
+%% to you 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.
+%%
+
 -module(client).
 
 -include("calculator_thrift.hrl").
diff --git a/tutorial/erl/server.erl b/tutorial/erl/server.erl
index bbb169c..5a994ce 100644
--- a/tutorial/erl/server.erl
+++ b/tutorial/erl/server.erl
@@ -1,3 +1,22 @@
+%%
+%% Licensed to the Apache Software Foundation (ASF) under one
+%% or more contributor license agreements. See the NOTICE file
+%% distributed with this work for additional information
+%% regarding copyright ownership. The ASF licenses this file
+%% to you 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.
+%%
+
 -module(server).
 
 -include("calculator_thrift.hrl").
diff --git a/tutorial/erl/server.sh b/tutorial/erl/server.sh
index f101e7a..106c89e 100755
--- a/tutorial/erl/server.sh
+++ b/tutorial/erl/server.sh
@@ -1,5 +1,24 @@
 #!/bin/sh
 
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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.
+#
+
 ERL_THRIFT=../../lib/erl
 
 if ! [ -d ${ERL_THRIFT}/ebin ]; then