1 files changed, 10 insertions, 2 deletions

diff --git a/README.md b/README.md
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 ## Inhaltsverzeichnis
 
-- [Einführung in die Informationssicherheit](en_GB/Introduction to Information Security/introduction\_to\_information\_security.md)
+### Einführung in die Informationssicherheit
+
+- [Source](en_GB/Introduction to Information Security/introduction\_to\_information\_security.md)
+- [HTML](http://encrox.com/introduction_to_information_security.html)
+- [PDF](http://encrox.com/introduction_to_information_security.pdf)
 
 ## Table of contents
 
-- [Introduction to Information Security](en_GB/Introduction to Information Security/introduction\_to\_information\_security.md)
\ No newline at end of file
+### Introduction to Information Security
+
+- [Source](en_GB/Introduction to Information Security/introduction\_to\_information\_security.md)
+- [HTML](http://encrox.com/introduction_to_information_security.html)
+- [PDF](http://encrox.com/introduction_to_information_security.pdf)