Issue iluwatar#273: Fixed HTML tags in comments

Author: waisuan

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

@@ -28,7 +28,7 @@
  * (depending on the preferred caching policy/strategy).
  *
  * <i>App --> AppManager --> CacheStore/LRUCache/CachingPolicy --> DBManager</i>
- * <p>
+ * </p>
  *
  * @see CacheStore
  * @See LRUCache

caching/src/main/java/com/iluwatar/caching/DBManager.java

@@ -12,16 +12,14 @@
 
 /**
  *
- * <p>
- * DBManager handles the communication with the underlying data store i.e. Database. It contains the
+ * <p>DBManager handles the communication with the underlying data store i.e. Database. It contains the
  * implemented methods for querying, inserting, and updating data. MongoDB was used as the database
- * for the application.
- * </p>
- * <p>
- * Developer/Tester is able to choose whether the application should use MongoDB as its underlying
+ * for the application.</p>
+ * 
+ * <p>Developer/Tester is able to choose whether the application should use MongoDB as its underlying
  * data storage (connect()) or a simple Java data structure to (temporarily) store the data/objects
- * during runtime (createVirtualDB()).
- * </p>
+ * during runtime (createVirtualDB()).</p>
+ * 
  */
 public class DBManager {