Fixed example in readme.

README.rst

@@ -47,25 +47,25 @@ Python program:
     >>> import fattura_elettronica_reader
     >>> data = {
             'patched': True,
-            'configuration file': str(),
-            'write default configuration file': False,
-            'extract attachments': True,
-            'metadata file': 'myfile.xml',
-            'invoice xslt type': 'ordinaria',
-            'no invoice xml validation': False,
-            'force invoice schema file download': False,
-            'generate html output': True,
-            'invoice filename': str(),
-            'no checksum check': False,
-            'force invoice xml stylesheet file download': False,
-            'ignore attachment extension whitelist': False,
-            'ignore attachment filetype whitelist': False,
-            'ignore signature check': False,
-            'ignore signers certificate check': False,
-            'force trusted list file download': False,
-            'keep original file': True,
-            'ignore assets checksum': False,
-            'destination directory': '/dev/shm',
+            'configuration_file': str(),
+            'write_default_configuration_file': False,
+            'extract_attachments': True,
+            'metadata_file': 'myfile.xml',
+            'invoice_xslt_type': 'ordinaria',
+            'no_invoice_xml_validation': False,
+            'force_invoice_schema_file_download': False,
+            'generate_html_output': True,
+            'invoice_filename': str(),
+            'no_checksum_check': False,
+            'force_invoice_xml_stylesheet_file_download': False,
+            'ignore_attachment_extension_whitelist': False,
+            'ignore_attachment_filetype_whitelist': False,
+            'ignore_signature_check': False,
+            'ignore_signers_certificate_check': False,
+            'force_trusted_list_file_download': False,
+            'keep_original_file': True,
+            'ignore_assets_checksum': False,
+            'destination_directory': '/dev/shm/invoices',
     }
     >>> fattura_elettronica_reader.assert_data_structure(source='invoice', file_type='p7m', data=data)
     >>> fattura_elettronica_reader.pipeline(