diff --git a/img/live/ubuntuPXEInitRamFS.md b/img/live/ubuntuPXEInitRamFS.md
index da609ba..eca635f 100644
--- a/img/live/ubuntuPXEInitRamFS.md
+++ b/img/live/ubuntuPXEInitRamFS.md
@@ -10,7 +10,7 @@
 
 ### New Required boot parameters
 ```
-rooturl=http://<serverIP>/path/to/file boot=pxe maxTryCount=10
+rooturl=http://<serverIP>/path/to/file boot=pxe maxTryCount=10 initdwnsize=2G
 ```
 
 ### /usr/share/initramfs-tools/modules.d/pxe