docs(autoconfigure): correct the comment on Linux scan locations

The comment said symlinked scan locations are skipped, but nothing
checks for symlinks, and that the empty string is the root of the
filesystem, while the root location is "\\".

crates/boot/src/autoconfigure/linux.rs

@@ -23,8 +23,8 @@ use uefi::proto::device_path::text::{AllowShortcuts, DisplayOnly};
 const LINUX_CHAINLOAD_ACTION_PREFIX: &str = "linux-chainload-";
 
 /// The locations to scan for kernel pairs.
-/// We will check for symlinks and if this directory is a symlink, we will skip it.
-/// The empty string represents the root of the filesystem.
+/// A location that doesn't exist or can't be read is skipped.
+/// The "\\" location represents the root of the filesystem.
 const SCAN_LOCATIONS: &[&str] = &["\\boot", "\\"];
 
 /// This is really silly, but if what we are booting is the Canonical stubble stub,