add more doc

1 files changed, 14 insertions, 6 deletions

diff --git a/README.rst b/README.rst
index 5e04a07..7f101af 100644
--- a/README.rst
+++ b/README.rst
@@ -8,14 +8,20 @@ Installation
 First, make sure you have at least one implementation of BLAS and CUDA installed
 on your computer.
 
-- Checkout NERV:
+- Clone NERV:
   
   ::
 
     bash
     git clone https://speechlab.sjtu.edu.cn/gitlab/nerv-dev/nerv.git
 
-- Checkout submodules (luajit, luarocks, Penlight, etc.):
+- Checkout the latest tagged version (please change the tag name to the
+  latest):
+
+  ::
+    git checkout beta-1.21
+
+- Download submodules (luajit, LuaRocks, Penlight, etc.):
 
   ::
 
@@ -43,9 +49,10 @@ on your computer.
 
   ::
 
-    # checkout speech repository to local directory nerv/speech (suppose you're
-    # still at the root directory of NERV repo)
+    # clone and checkout speech repository to local directory nerv/speech
+    # (suppose you're still at the root directory of NERV repo)
     git clone https://speechlab.sjtu.edu.cn/gitlab/nerv-dev/nerv-speech.git speech
+    git checkout beta-1.21 # please change the tag name to the latest
     # build and install HTK I/O support, Kaldi I/O support, Kaldi decoding support, etc.
     make speech BLAS_TYPE=mkl BLAS_BASE=/home/intel/mkl/lib/intel64/ KALDI_BASE=/speechlab/tools/KALDI/kaldi-master/
 
@@ -60,5 +67,6 @@ request (merge request) to the administrator of the project. If you want to fix
 any bugs in existing code, don't hesitate to create a pull (merge) request to
 the repository with clear and detailed analysis of the problem. If you want to
 add additional task-specific functionalities (modules) for speech to NERV,
-please create a luarocks-compliant package and also a pull (merge) request to
-the ``nerv-speech`` repository instead of ``nerv``.
+please create a LuaRocks-compliant package and also a pull (merge) request to
+the ``nerv-speech`` repository instead of ``nerv``. Please refer to the
+collaboration rules in NERV's doc.