diff --git a/README.MD b/README.MD
index 3d0c945..47e7ead 100644
--- a/README.MD
+++ b/README.MD
@@ -1,5 +1,9 @@
 ## DEBMAKER
 
+### Requirement 
+ - debootstrap (ie apt install debootstrap)
+ - Run as root
+
 ### Usage
 
 ```bash
@@ -7,3 +11,4 @@
 allstep
 ```
 
+