Update docs/man/zfsbootmenu.7.rst

Co-authored-by: Andrew J. Hesford <[email protected]>

docs/man/zfsbootmenu.7.rst

@@ -145,15 +145,11 @@ These options are set on the kernel command line when booting the initramfs or U
 
 **zbm.waitfor=device,device,...**
 
-  Ensure that one or more devices are present prior to starting the pool import process. Required devices should be either a direct **/dev** device entry or a partial **/dev/disk/by-** entry.
-
-  **zbm.waitfor=/dev/sda**
-
-    Direct device entries are fragile and should generally be avoided.
-
-  **zbm.waitfor=PARTUUID=b0319364-ec65-1840-a02b-2b58caa12ac0,ID=wwn-0x500a07510ee65912**
+  Ensure that one or more devices are present before starting the pool import process. Devices may be specified as full paths to device nodes (*e.g.*, **/dev/sda** or **/dev/disk/by-id/wwn-0x500a07510ee65912**) or, for convenience, as a typed indicator of the form **TYPE=VALUE**, which will be expanded internally as
+
+    **/dev/disk/by-TYPE/VALUE**
 
-    Refer to **/dev/disk/** on the host system to find the required device entries.
+  The use of full device paths other than descendants of **/dev/disk/** is fragile and should be avoided.
 
 Deprecated Parameters
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