update documentation

README.rst

@@ -2,11 +2,17 @@
 pyexcel-xls - Let you focus on data, instead of xls format
 ================================================================================
 
-.. image:: https://api.travis-ci.org/pyexcel/pyexcel-xls.png
-    :target: http://travis-ci.org/pyexcel/pyexcel-xls
+.. image:: https://raw.githubusercontent.com/pyexcel/pyexcel.github.io/master/images/patreon.png
+   :target: https://www.patreon.com/pyexcel
+
+.. image:: https://api.travis-ci.org/pyexcel/pyexcel-xls.svg?branch=master
+   :target: http://travis-ci.org/pyexcel/pyexcel-xls
 
 .. image:: https://codecov.io/github/pyexcel/pyexcel-xls/coverage.png
-    :target: https://codecov.io/github/pyexcel/pyexcel-xls
+   :target: https://codecov.io/github/pyexcel/pyexcel-xls
+
+.. image:: https://readthedocs.org/projects/pyexcel-xls/badge/?version=latest
+   :target: http://pyexcel-xls.readthedocs.org/en/latest/
 
 **pyexcel-xls** is a tiny wrapper library to read, manipulate and write data in xls format and it can read xlsx and xlsm fromat. You are likely to use it with `pyexcel <https://github.com/pyexcel/pyexcel>`_.
 
@@ -29,7 +35,7 @@ or clone it and install it:
 
 .. code-block:: bash
 
-    $ git clone http://github.com/pyexcel/pyexcel-xls.git
+    $ git clone https://github.com/pyexcel/pyexcel-xls.git
     $ cd pyexcel-xls
     $ python setup.py install
 
@@ -332,3 +338,10 @@ Known Issues
    >>> import os
    >>> os.unlink("your_file.xls")
    >>> os.unlink("another_file.xls")
+
+Support the project
+================================================================================
+
+If your company has embedded pyexcel and its components into a revenue generating
+product, please `support me on patreon <https://www.patreon.com/pyexcel>`_ to
+maintain the project and develop it further.

pyexcel_xls/xlsw.py

@@ -1,8 +1,8 @@
 """
-    pyexcel_xls
+    pyexcel_xlsw
     ~~~~~~~~~~~~~~~~~~~
 
-    The lower level xls/xlsm file format handler using xlrd/xlwt
+    The lower level xls file format handler using xlwt
 
     :copyright: (c) 2016-2017 by Onni Software Ltd
     :license: New BSD License