package seedu.ezdo.commons.core;

/**
 * Container for user visible messages.
 */
public class Messages {

    public static final String MESSAGE_UNKNOWN_COMMAND = "Unknown command";
    public static final String MESSAGE_INVALID_COMMAND_FORMAT = "Invalid command format! \n%1$s";
    public static final String MESSAGE_INVALID_TASK_DISPLAYED_INDEX = "The task index provided is invalid";
    public static final String MESSAGE_TASKS_LISTED_OVERVIEW = "%1$d tasks listed!";

}

@@ -379,16 +379,17 @@
  invalid
+.
 %22;%0A    p
@@ -467,12 +467,134 @@
 isted!%22;
+%0A    public static final String MESSAGE_WRONG_LIST = %22Please return to the task list if you want to mark a task as done.%22;
 %0A%0A%7D%0A

Add punctuation to messages to improve consistency