diff --git a/tools/tools/nanobsd/embedded/qemu-amd64.cfg b/tools/tools/nanobsd/embedded/qemu-amd64.cfg
index f393f1fea0f..36dac399b4a 100644
--- a/tools/tools/nanobsd/embedded/qemu-amd64.cfg
+++ b/tools/tools/nanobsd/embedded/qemu-amd64.cfg
@@ -32,3 +32,8 @@ NANO_NAME=qemu-amd64
 . common	# Pull in common definitions
 
 qemu_env
+
+# Run with:
+# qemu-system-x86_64 -hdd $file -serial telnet::4444,server -nographic
+# To get some breathing room on the image:
+# qemu-img resize $file +2G