Change The Events Calendar labels

events-labels.php

<?php

add_filter( 'gettext', 'krogs_event_change_venue_name', 20, 3 );
/**
 * Change comment form default field names.
 *
 * @link http://codex.wordpress.org/Plugin_API/Filter_Reference/gettext
 */
function krogs_event_change_venue_name( $translated_text, $text, $domain ) {


        if ( $translated_text == 'Venue:' && $domain == 'tribe-events-calendar' ) {


                $translated_text = __( 'Location:', 'tribe-events-calendar' );

        }


    return $translated_text;
}

?>