Update README.md

Author: stleary

README.md

@@ -24,6 +24,10 @@ The files in this package implement JSON encoders and decoders. The package can
 
 The license includes this restriction: ["The software shall be used for good, not evil."](https://en.wikipedia.org/wiki/Douglas_Crockford#%22Good,_not_Evil%22) If your conscience cannot live with that, then choose a different package.
 
+**If you would like to contribute to this project**
+
+Bug fixes, code improvements, and unit test coverage changes are welcome! Because this project is currrently in maintenance phase, the kinds of changes that can be accepted are limited. For more information, please read the [FAQ](https://github.com/stleary/JSON-java/wiki/FAQ)
+
 # Build Instructions
 
 The org.json package can be built from the command line, Maven, and Gradle. The unit tests can be executed from Maven, Gradle, or individually in an IDE e.g. Eclipse.