diff --git a/services/gunDB/contact-api/key.js b/services/gunDB/contact-api/key.js
index 22f83dc6..169b89c5 100644
--- a/services/gunDB/contact-api/key.js
+++ b/services/gunDB/contact-api/key.js
@@ -28,6 +28,9 @@ exports.CURRENT_ORDER_ADDRESS = 'currentOrderAddress'
 
 exports.ORDER_NODES = 'orderNodes'
 
+/**
+ * Another user that placed an order can look for a response in here.
+ */
 exports.ORDER_TO_RESPONSE = 'orderToResponse'
 
 exports.BIO = 'bio'