fix -n, -b doc

1 files changed, 7 insertions, 4 deletions

diff --git a/miragextract.rst b/miragextract.rst
index 3ae82db..b85a430 100644
--- a/miragextract.rst
+++ b/miragextract.rst
@@ -52,12 +52,15 @@ OPTIONS
        Default behaviour is to extract all tracks.
 
 -b     Sets the base filename for the output files. Default is 'track'.
-       See also the -n option. Beware of using filenames with directory
-       separators in them: the output files will be written in the same
-       dir as the input file. Hopefully you have permission to write there.
+       Can be prefixed with a directory to write files in that dir,
+       but the dir must already exist (example: -b extracted/track). See
+       also the -n option.
 
 -n     Set the base filename to the input filename, minus its extension.
-       E.g. for foo.cue, this is the same as saying "-b foo".
+       E.g. for foo.cue, this is the same as saying "-b foo". Beware of
+       using input filenames with directory separators in them: the output files
+       will be written in the same dir as the input file. Hopefully you
+       have permission to write there.
 
 -f     Sets the format and filename extension for the output files.
        Choices are **wav**, **ogg**, **flac**, **cdda** (raw CD audio). Default is **wav**.