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+++ b/README.md
@@ -37,6 +37,8 @@ To open the collaboration window, simply check the *collab* toggle in the bf-ins
 
 The leftmost green column shows your instrument with its outputs and parameters. The grey columns show the other instruments in the session with their respective activity, outputs and parameters.
 
+![doc/img/collabwin.png](doc/img/collabwin.png)
+
 ### Sharing / granting access
 
 By default, all your parameters are in the *granted* mode, which means that all the other musicians can set their values. You can of course change that by clicking the red *grant* toggle for each parameter, or the *grant all* toggle at the top of your column.