diff --git a/demos/README.md b/demos/README.md
index f7afbdb4..ea3ef883 100644
--- a/demos/README.md
+++ b/demos/README.md
@@ -2,8 +2,13 @@
 
 demo songs for Furnace.
 
-these demo songs are not under the GPL. in the case of covers, all rights are reserved to the original author.
+these demo songs are not under the GPL. all rights are reserved to the original author(s).
 
 # submit demo songs!
 
-just send a pull request if you want your song to be added to this collection. thank you!
+contact me or send a pull request if you want your song to be added to this collection. be noted we have two rules:
+
+- Nintendo covers are frowned upon
+- big label music covers also are discouraged
+
+thank you for contributing!