Replace python -m v2x with v2x

Signed-off-by: Daniel Lim Wee Soong <weesoong.lim@gmail.com>

README.rst

diff --git a/README.rst b/README.rst
index f095db7..b2a5f86 100644
--- a/README.rst
+++ b/README.rst
@@ -35,11 +35,11 @@
 Usage
 -----
 
-After installing v2x, you can run ``python -m v2x`` to use it.
+After installing v2x, you can run ``v2x`` to use it.
 
 .. code-block::
 
-   python -m v2x -h
+   v2x -h
    usage: __main__.py [-h] [--top TOP] [--outfile OUTFILE] [--includes INCLUDES]
                       [--mode {pb_type,model}]
                       input.v [input.v ...]
@@ -67,19 +67,19 @@
 
 .. code-block::
 
-   python -m v2x -o adder.pb_type.xml adder.v
+   v2x -o adder.pb_type.xml adder.v
 
 Or, to generate a model xml file, run 
 
 .. code-block::
 
-   python -m v2x --mode model -o adder.model.xml adder.v
+   v2x --mode model -o adder.model.xml adder.v
 
 v2x expects the module name to be the same as the file name. If it is different, make sure to specifiy it with the ``--top`` argument.
 
 .. code-block::
 
-   python -m v2x --top BLOCK -o adder.pb_type.xml adder.v
+   v2x --top BLOCK -o adder.pb_type.xml adder.v
 
 Tests
 -----