diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,18 +1,25 @@
 # mlwerke2pdf
 
-Python module to convert texts on http://www.mlwerke.de into pdfs
+Python module to convert texts on http://www.mlwerke.de into Portable Document Format files
+
+mlwerke2pdf fetches the linked subsites from the given table of contents and concats them to a single pdf
+
+at this point links and linked images in the pdf are not functional as they point to the mlwerke html structure
+converting them to pdf internal links would be possible but rather complex
 
-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
+as pdfkit uses wkhtmltopdf you will need it. See https://pypi.org/project/pdfkit/ for instructions
 
 # 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
+use the base / table of contents of a text like http://www.mlwerke.de/me/me04/me04_459.htm as URL
 
 ## generate a pdf
-mlwerk.text2pdf(PDF_OUTPUT_PATH)
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+mlwerk.text2pdf(PDF_OUTPUT_PATH)
+
+## or cominded into one line
+mlwerke2pdf.MLWerk(URL).text2pdf(PDF_OUTPUT_PATH)
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