src/de/steamwar/bungeecore/commands/TeamCommand.java

@@ -441,10 +441,7 @@ public class TeamCommand extends BasicCommand {
 
         Set<Event> events = TeamTeilnahme.getEvents(team.getTeamId());
         if(!events.isEmpty()){
-            StringBuilder sb = new StringBuilder();
-            for(Event e : events)
-                sb.append(e.getEventName()).append(" ");
-            Message.sendPrefixless("TEAM_INFO_EVENTS", player, sb.toString());
+            Message.sendPrefixless("TEAM_INFO_EVENTS", player, events.stream().map(Event::getEventName).collect(Collectors.joining(", ")));
         }
     }