Update documentation, debug replaces --debug and finit_debug

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

doc/bootstrap.md

@@ -5,7 +5,7 @@ Bootstrap
 2. Set up initial signal handlers
 3. Set up default $PATH early
 4. Mount `/proc` and `/sys`
-5. Check kernel command line for `--debug` to figure out log level
+5. Check kernel command line for `debug` to figure out log level
 6. Load all `.so` plugins
 7. Call `fsck` on file systems listed in `/etc/fstab`
 8. Populate `/dev` using either udev or mdev, depending on system type

doc/build.md

@@ -127,11 +127,11 @@ Remember to also set up an initial `/etc/finit.conf` before rebooting!
 Debugging
 ---------
 
-Add `finit_debug`, or `--debug`, to the kernel command line to enable
-debug messages.
+Edit, or append to, the kernel command line: remove `quiet` to enable
+kernel messages and add `debug` to enable Finit debug messages.
 
 ```shell
-append="init=/sbin/finit --debug"
+append="init=/sbin/finit debug"
 ```
 
 To debug startup issues, in particular issues with getty/login, try