fixed an error message

the_prestige.py

@@ -890,6 +890,7 @@ class LeagueDisplayCommand(Command):
     description = "Displays the current standings for the given league. Use `--season X` or `-s X` to get standings from season X of that league."
 
     async def execute(self, msg, command, flags):
+        try:
             if league_exists(command.split("\n")[1].strip()):
                 try:
                     league = leagues.load_league_file(command.split("\n")[1].strip())
@@ -910,6 +911,8 @@ class LeagueDisplayCommand(Command):
                 await msg.channel.send(embed=league.standings_embed())
             else:
                 raise CommandError("Can't find that league, boss.")
+        except IndexError:
+            raise CommandError("League name goes on the second line now, boss.")
 
 class LeagueLeadersCommand(Command):
     name = "leagueleaders"