diff --git a/DOC/create_fact.md b/DOC/create_fact.md
index 802d2dec45a24978576d5c10df809be73418e6d6..4789074ae6904ba8ed5c5df848dc5fb1d8b3060e 100644
--- a/DOC/create_fact.md
+++ b/DOC/create_fact.md
@@ -3,6 +3,8 @@
 
 ### <u>Dependency: MMT-Fact already implemented</u>
 
+In all Array-like structures, always add your facts at the bottom. 
+
 1. In Assets\InteractionEngine\FactHandling\Facts create your own fact
 
     <u>Your fact should include</u>: