[FOSDEM] How can I modify my talk page?

[Alessio Fattorini]

I need to modify my talk page, deleting the description part and keeping just the abstract. How can i do it? 
https://fosdem.org/2016/schedule/event/linux_server_administration_for_nonexpert_users/
I'd like to add my BIO, as submitted on penta. 
Is there a way?
Alessio

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