Community Events 3.6 // Customize 'Event Submitted' text

gistfile1.php

add_filter('tribe_community_events_form_errors', 'customize_thank_you_message', 10, 2);
function customize_thank_you_message( $messages ) {		

	if ( is_array( $messages ) ) {
		foreach ( $messages as $key => $message ) {
			if( $message['type'] === 'update' ) {				

				$messages[$key]['message'] = 'Thanks for submitting your event!  You can add other helpful information or HTML here also.';
			}
		}
	}

	return $messages;
}