diff --git a/dojo_rules.md b/dojo_rules.md
index dd682cd4bf..6a1df12e97 100644
--- a/dojo_rules.md
+++ b/dojo_rules.md
@@ -6,3 +6,4 @@ Dojo Rules
 * Never bring live blades on the tatami
 * Respect your opponents
 * Most Sensei's should be respected
+* no coffee in the dojo