Amend java doc

src/main/java/duke/Duke.java

@@ -15,7 +15,7 @@ public class Duke {
     private final Ui ui;
 
     /**
-     * Create a chatterbot.
+     * Constructs a chatterbot.
      * @param filePath The file's storage path.
      */
     public Duke(String filePath) {

src/main/java/duke/List.java

@@ -85,7 +85,7 @@ public void add(TaskType taskType, String description, LocalDateTime timing) {
      * Deletes a task from the list and returns it.
      *
      * @param index Index of the task in the list.
-     * @return Returns the task deleted
+     * @return Returns the task deleted.
      * @throws ListException If the index is out of bound.
      */
     public Task delete(int index) throws ListException {
@@ -100,9 +100,8 @@ public Task delete(int index) throws ListException {
     public Task getLast() {
         return tasks.get(tasks.size() - 1);
     }
-
     /**
-     * Find a set of tasks that matches the description.
+     * Finds a set of tasks that matches the description.
      *
      * @param findDescription Description of the tasks to find.
      * @return Returns a list of the tasks found.
@@ -118,8 +117,8 @@ public List findTask(String findDescription) {
         return new List(findTaskList);
     }
     /**
-     * Sort the tasks in the task list by their task type.
-     * Also sorts deadline tasks and event tasks by their local date time.
+     * Sorts the tasks in the task list by their task type
+     * and sorts deadline tasks and event tasks by their local date time.
      */
     public void sort() {
         Collections.sort(this.getArrayList());