docs: clarify --print-cmdline

diff --git a/man/dracut.8.asc b/man/dracut.8.asc
index 87d3ea1b11f2894c46e3e3bad1f2deacc0bbc7de..437045fc31554c7e06b8bdd6dc1623d46431012b 100644 (file)
--- a/man/dracut.8.asc
+++ b/man/dracut.8.asc
@@ -227,7 +227,8 @@ example:
     Do not combine early microcode with ramdisk.
 
 **--print-cmdline**::
-    Print the kernel command line for the current disk layout.
+    Print part of the kernel command line required to boot for the current disk layout.
+    This option does not return all kernel command line options that dracut might add to the initrd.
 
 **--mdadmconf**::
     Include local _/etc/mdadm.conf_ file.