diff --git a/configuration/resize-root-disk-image.md b/configuration/resize-root-disk-image.md
index 299d7618..bee7272f 100644
--- a/configuration/resize-root-disk-image.md
+++ b/configuration/resize-root-disk-image.md
@@ -32,16 +32,23 @@ Shutdown the StandaloneVM and you will have extended the size of it's `root.img`
 
 ### Resize a TemplateVM Root Image
 
-In `dom0` Konsole run the following command (replace the size and path):*Make sure changes in the TemplateVM between reboots didn't exceed 10G.*
+Shut down the TemplateVM, as well as all VMs based on that template (since they
+share `root.img`).
+In `dom0` Konsole run the following command (replace the size and path):
+*Make sure changes in the TemplateVM between reboots didn't exceed 10G.*
 
 ~~~
 truncate -s 20G /var/lib/qubes/vm-templates/fedora-21/root.img
 ~~~
 
-Then start Terminal for this TemplateVM and run the following:
+Then start only the TemplateVM and run the following. Note that if you are
+resizing the TemplateVM used by, e.g., your NetVM, you may need to disable
+networking so when the TemplateVM is started, it does not autostart other VMs
+based on the same `root.img`. Otherwise you will get an error message `Nothing
+to do!`.
 
 ~~~
 sudo resize2fs /dev/mapper/dmroot
 ~~~
 
-Shutdown the TemplateVM and you will have extended the size of it's `root.img`
+Shutdown the TemplateVM and you will have extended the size of it's `root.img`.