Update README.md

Author: ehennestad

README.md

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 ## EBRAINS Metadata Wizard
 
-The EBRAINS Metadata Wizard is a web form that helps you describe key aspects of your research data so that other researchers will be able to find, reuse and cite your work once you share it on [EBRAINS](ebrains.eu). 
+The [EBRAINS Metadata Wizard](https://ebrains-metadata-wizard.apps.hbp.eu) is a web form that helps you describe key aspects of your research data so that other researchers will be able to find, reuse and cite your work once you share it on [EBRAINS](https://search.kg.ebrains.eu/?category=Dataset). 
 
 Metadata are collected according to the EBRAINS Common Curation Track, and organized in line with the openMINDS standard ([open Metadata Initiative for Neuroscience Data Structures](https://github.com/HumanBrainProject/openMINDS)):
 
@@ -9,6 +9,9 @@ Metadata are collected according to the EBRAINS Common Curation Track, and organ
 - Licensing, embargo and funding
 - Related publications
 
+### Contribute
+See the [Wiki](https://github.com/HumanBrainProject/ebrains_wizard/wiki) for details on how to contribute to & develop the metadata wizard.
+
 ### Credits
 
 The form is developed by the EBRAINS Data Curation Team based on the [openMINDS wizard](https://github.com/HumanBrainProject/openminds-wizard).