Typo in comment

systemd-journal-gelf

@@ -177,7 +177,7 @@ while ( my $entry = <JOURNAL> ){
     }
   }
 
-  # Add the other attributes to the gelf message, except thos already treated
+  # Add the other attributes to the gelf message, except those already treated
   foreach ( grep !/^MESSAGE|_HOSTNAME|__REALTIME_TIMESTAMP|PRIORITY$/,  keys %$msg ){
     $gelf->{$_} = $msg->{$_};
   }