Merge pull request iluwatar#54 from caltrain/master

Documentation change in DAO pattern

Author: iluwatar

dao/src/main/java/com/iluwatar/App.java

@@ -6,7 +6,7 @@
 /**
  * 
  * With the DAO pattern, we can use various method calls to retrieve/add/delete/update data without directly
- * interacting with the data directly. The below example demonstrates basic operations: select, add, update, and delete.
+ * interacting with the data. The below example demonstrates basic operations(CRUD): select, add, update, and delete.
  */
 public class App {