Add license
diff --git a/.github/ISSUE_TEMPLATE/proposal.md b/.github/ISSUE_TEMPLATE/proposal.md
index 7604776..3a93808 100644
--- a/.github/ISSUE_TEMPLATE/proposal.md
+++ b/.github/ISSUE_TEMPLATE/proposal.md
@@ -7,6 +7,25 @@
---
+<!--
+ ~ 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.
+ -->
+
# Motivation
A description of the problem.
