diff --git a/CONTRIBUTIONS/prodbycorne.md b/CONTRIBUTIONS/prodbycorne.md
new file mode 100644
index 0000000..7ab6941
--- /dev/null
+++ b/CONTRIBUTIONS/prodbycorne.md
@@ -0,0 +1,5 @@
+# Contribution note
+
+Seed entry for prodbycorne.
+
+Closes #12 (internal seed/test data, not for production).