Add notice in the contributions file

diff --git a/CONTRIBUTIONS.md b/CONTRIBUTIONS.md
index 58d6e7217036e859d440ac5909ca9cf9b2a0d693..3db046aefaf8a3eb0ea124dc8f43bd79e7b7607e 100644 (file)
--- a/CONTRIBUTIONS.md
+++ b/CONTRIBUTIONS.md
@@ -10,6 +10,26 @@ Submitting patches automatically implies your agreement with the statements abov
 
 ## List of licenses accepted
 
+Preferred license is Apache-2:
+
+~~~C
+/*-
+ * Copyright [year] [your name]
+ *
+ * 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.
+ */
+~~~
+
 
 ### The 2 clause version of the BSD license