In the dashboard form view, there is a board with empty colums.There is no action to perform.If we are using the board, there was no title appears in the page.If you are using any actions inside the board colums only, you can see the action string for the page.

For exampleL

form string="My Dashboard" version="7.0">

     <board style="2-1">

            <column>

                 <action name="any_record_action_name" string="My dashboard" />

           </column>

        </board>

</form>