diff --git a/muk_converter/doc/index.rst b/muk_converter/doc/index.rst
index 5b5369a..cbe13b2 100644
--- a/muk_converter/doc/index.rst
+++ b/muk_converter/doc/index.rst
@@ -13,7 +13,7 @@ unoconv
 
 Universal Office Converter (unoconv) is a command line tool to convert any
 document format that LibreOffice can import to any document format that
-LibreOffice can export. It makes use of the LibreOffice’s UNO bindings for
+LibreOffice can export. It makes use of the LibreOffice's UNO bindings for
 non-interactive conversion of documents.
 
 To install unoconv please follow the instructions (`here <https://github.com/dagwieers/unoconv>`_).
diff --git a/muk_converter/static/description/banner.png b/muk_converter/static/description/banner.png
index cf5692b..bc16e39 100644
Binary files a/muk_converter/static/description/banner.png and b/muk_converter/static/description/banner.png differ