diff --git a/About-building-process.md b/About-building-process.md
index ab89e35..1688846 100644
--- a/About-building-process.md
+++ b/About-building-process.md
@@ -34,5 +34,13 @@ add lines to file /etc/apt/sources.list.d/alt.list, on other lines set #:
 
 > other: git (for getting build repo), podman, vml (for tests), qemu-img
 
-3. 
+3. For building VM images need rootrules:
+
+add your builder-user to wheel group
+
+from root call 
+> visudo 
+
+add path to file tar2fs from mkimage-profiles, instead of WHEEL_USERS can be your builder-user. For example:
+> WHEEL_USERS ALL=(ALL) NOPASSWD: /home/<builder-user>/.local/share/cloud-build/work/mkimage-profiles/bin/tar2fs