diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000000000000000000000000000000000000..2fbe2d4a28ed7d4466e36cc03f0a4a9c6c22b14d
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,5 @@
+# Contributing
+
+Contributions are welcome!
+
+Please test out changes with various values and combinations before submitting a PR.