diff --git a/BUILD.md b/BUILD.md
index 226940f..6d58d4d 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -1,5 +1,8 @@
 # How to build ISO file
 
+> [!IMPORTANT]  
+> Creating an ISO file requires to be Void Linux installed, if you dont want to install Void Linux, you should use [Docker](https://www.docker.com) (docker pull voidlinux/voidlinux).
+
 ## Preparing minceraft
 
 At first, you need to prepare minceraft.
@@ -36,4 +39,4 @@ sudo ./mkiso
 
 ## One-liner
 
-Finally, you can forget all above and use just `[ -d data/mine ] || ./mkmine; sudo ./mkiso`
\ No newline at end of file
+Finally, you can forget all above and use just `[ -d data/mine ] || ./mkmine; sudo ./mkiso`