Fixed string formating

src/components/timeshare/buy/buyPage.vue

   computed: {
     ...mapState('timeshareBuy', ['detailedRegion', 'resort']),
     mapUrl() {
-      return (
-        'http://maps.google.com/maps?q='
-        + this.resort.prLatitude
-        + ', '
-        + this.resort.prLongitude
-        + '&z=15&output=embed'
-      );
+      return `http://maps.google.com/maps?q=${this.resort.prLatitude},${this.resort.prLongitude}&z=15&output=embed`;
     },
     regions() {
       return _.sortBy(this.detailedRegion, r => r.regionName);