Update README.md

README.md

@@ -9,7 +9,7 @@ This package is based on the work of Maximilian Clemens [(see Acknowledgements)]
 - FRITZ!DECT 200
 - FRITZ!DECT 302
 
-So if you want the package to be extended to support your sensors as well, see [Want to Contribute?](#want-to-contribute) Also, my FRIT!BOX is not brand new, so it may not include all the features that the Smnarthome devices support. E.g. window open/close for the FRITZ!DECT 302.
+So if you want the package to be extended to support your sensors as well, see [Want to Contribute?](CONTRIBUTING.md) Also, my FRIT!BOX is not brand new, so it may not include all the features that the Smnarthome devices support. E.g. window open/close for the FRITZ!DECT 302.
 
 ---
 ### Acknowledgments