Modify Event label to Class snippet

gistfile1.txt

add_filter( 'gettext', 'krogs_event_change_event_name', 20, 3 );
/**
 * Change comment form default field names.
 *
 * @link http://codex.wordpress.org/Plugin_API/Filter_Reference/gettext
 */
function krogs_event_change_event_name( $translated_text, $text, $domain ) {
        if ( $translated_text == 'Event' && $domain == 'tribe-events-calendar' ) {
                $translated_text = __( 'Class', 'tribe-events-calendar' );
        } elseif( $translated_text == 'Events' && $domain == 'tribe-events-calendar' ) {
        	$translated_text = __( 'Classes', 'tribe-events-calendar' );
        } elseif( $translated_text == 'Events In' && $domain == 'tribe-events-calendar' ) {
        	$translated_text = __( 'Classes In', 'tribe-events-calendar' );
        } elseif( $translated_text == 'Find Events' && $domain == 'tribe-events-calendar' ) {
        	$translated_text = __( 'Find Classes', 'tribe-events-calendar' );
        } elseif( $translated_text == 'Events for %s' && $domain == 'tribe-events-calendar' ) {
        	$translated_text = __( 'Classes for %s', 'tribe-events-calendar' );
        } elseif( $translated_text == 'Events for' && $domain == 'tribe-events-calendar' ) {
        	$translated_text = __( 'Classes for', 'tribe-events-calendar' );
        }elseif( $translated_text == '« Previous Events' && $domain == 'tribe-events-calendar' ) {
        	$translated_text = __( '« Previous Classes', 'tribe-events-calendar' );
        } elseif( $translated_text == '« Next Events' && $domain == 'tribe-events-calendar' ) {
        	$translated_text = __( '« Next Classes', 'tribe-events-calendar' );
        } elseif( $translated_text == 'Events for week of %s' && $domain == 'tribe-events-calendar-pro' ) {
        	$translated_text = __( 'Classes for week of %s', 'tribe-events-calendar-pro' );
        } 
		

    return $translated_text;
}