📚 update constraints. fix #21

Author: chfw

README.rst

@@ -5,7 +5,7 @@ pyexcel-ods3 - Let you focus on data, instead of ods format
 .. image:: https://raw.githubusercontent.com/pyexcel/pyexcel.github.io/master/images/patreon.png
    :target: https://www.patreon.com/chfw
 
-.. image:: https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg
+.. image:: https://raw.githubusercontent.com/pyexcel/pyexcel-mobans/master/images/awesome-badge.svg
    :target: https://awesome-python.com/#specific-formats-processing
 
 .. image:: https://travis-ci.org/pyexcel/pyexcel-ods3.svg?branch=master
@@ -65,6 +65,8 @@ Known constraints
 
 Fonts, colors and charts are not supported.
 
+Nor to read password protected xls, xlsx and ods files.
+
 Installation
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