Add PR notice to README
@@ -7,6 +7,14 @@ and provides many of the improvements available in Logback while fixing some inh
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+
+## Pull Requests on Github
+
+By sending a pull request you grant the Apache Software Foundation sufficient rights to use and release the submitted
+work under the Apache license. You grant the same rights (copyright license, patent license, etc.) to the
+Apache Software Foundation as if you have signed a Contributor License Aggreement. For contributions that are
+judged to be non-trivial, you will be asked to actually signing a Contributor License Aggreement.
+
## Usage
Users should refer to [Maven, Ivy, Gradle, and SBT Artifacts](http://logging.apache.org/log4j/2.x/maven-artifacts.html)
