extended readme

README.md

@@ -2,10 +2,16 @@
 
 Python module to convert texts on http://www.mlwerke.de into pdfs
 
+it this point links in the pdf are not functional as they point to the mlwerke html structure
+
+# dependencies
+as pdfkit uses wkhtmltopdf you will need it
+
 # Usage
 
 ## create MLWerke Object:
 mlwerk = mlwerke2pdf.MLWerk(URL)
+
 use the base of a text like http://www.mlwerke.de/me/me04/me04_459.htm as URL
 
 ## generate a pdf