fix readme

README.md

@@ -1,6 +1,6 @@
 [![Build Status](https://circleci.com/gh/BIDS-Apps/niak.png?circle-token=:circle-token)](https://circleci.com/gh/BIDS-Apps/niak) [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 # Niak
-The neuroimaging analysis kit (NIAK) is a library of pipelines for the preprocessing and mining of large functional neuroimaging data, using GNU Octave or Matlab(r), and distributed under a MIT license. This includes but is not limited to the preprocessing pipeline implemented in this app. Essential documentation can be found on the [NIAK website](http://niak.simexp-lab.org/). 
+The neuroimaging analysis kit (NIAK) is a library of pipelines for the preprocessing and mining of large functional neuroimaging data, using GNU Octave or Matlab(r), and distributed under a MIT license. This includes but is not limited to the preprocessing pipeline implemented in this app. Essential documentation can be found on the [NIAK website](http://niak.simexp-lab.org/).
 
 # In this Bids-apps
 
@@ -13,13 +13,14 @@ This pipeline first aims at reducing various noise sources that compromise the i
 If the problems seems to be related to the app itself, you can always create a [new issue on our github page.](https://github.com/BIDS-Apps/niak/issues)  
 If is seems to come from NIAK itself, please [report you issues on the NIAK github page](https://github.com/SIMEXP/niak/issues)
 
-## Usage 
+## Usage
 To run NIAK Fmri preprocessing pipeline on your bids data set:
 ```
-docker run -it --read-only --volumes-from data bids/niak /bids_dataset /outputs participant --participant_label "XXX-YYY"
-docker run -it --read-only --volumes-from data bids/niak /bids_dataset /outputs group  --participant_label "XXX-YYY"
-``` 
+docker run -it --rm  -v /path/to/bids_dataset:/bids_dataset:ro -v path_to_result_dir:/outputs  bids/niak /bids_dataset /outputs participant  --participant_label "XXX-YYY"
+
+docker run -it --rm  -v /path/to/bids_dataset:/bids_dataset:ro -v path_to_result_dir:/outputs  bids/niak /bids_dataset /outputs group  --participant_label "XXX-YYY"
+```
 For more details, type:
 ```
-docker run -it --read-only --volumes-from data bids/niak --help
+docker run  bids/niak --help
 ```