diff --git a/src/calibre/ebooks/rtf/input.py b/src/calibre/ebooks/rtf/input.py
index d8301b7120..6361cb7fdb 100644
--- a/src/calibre/ebooks/rtf/input.py
+++ b/src/calibre/ebooks/rtf/input.py
@@ -338,3 +338,4 @@ class RTFInput(InputFormatPlugin):
         opf.render(open('metadata.opf', 'wb'))
         return os.path.abspath('metadata.opf')
 
+#ebook-convert "bad.rtf" test.epub -v -d "D:\Mes eBooks\Developpement\debug"
\ No newline at end of file