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In this tutorial, two fields have been added to the administrative form: a text field and a selection of checkboxes. These fields enable the definition of content types for the Facebook feed block module. However, the current setup doesn't allow for the selection of specific feed items to display within the block. To address this, the tutorial covers the implementation of hook_form_alter, a powerful tool for modifying forms. The presenter demonstrates how to copy relevant code into the module's file to add a new field set to the node edit form, thereby enhancing the administrative options by allowing alterations to be made and additional fields to be included in the configuration.