add text to wordpress social invitations buddypress screen

bp.php

// hook to wsi bp screen
add_action('wsi/bp/screen_one' , 'attach_my_screen');
function attach_my_screen() {
    // hook to bp template
    add_action( 'bp_template_content' , 'bp_template_content_func',9 );
}
// My actual text
function bp_template_content_func() {
   echo "My content goes here";
}