update deprecation messages

Author: sazzad16

src/main/java/redis/clients/jedis/JedisPoolAbstract.java

@@ -15,7 +15,7 @@ public class JedisPoolAbstract extends Pool<Jedis> {
   /**
    * Using this constructor means you have to set and initialize the internalPool yourself.
    *
-   * @deprecated
+   * @deprecated This constructor will be removed in future.
    */
   @Deprecated
   public JedisPoolAbstract() {

src/main/java/redis/clients/jedis/util/Pool.java

@@ -22,7 +22,7 @@ public abstract class Pool<T> implements Closeable {
   /**
    * Using this constructor means you have to set and initialize the internalPool yourself.
    *
-   * @deprecated This will be removed in future.
+   * @deprecated This constructor will be removed in future.
    */
   @Deprecated
   public Pool() {
@@ -44,7 +44,7 @@ public boolean isClosed() {
   /**
    * @param poolConfig
    * @param factory
-   * @deprecated This will be private in future.
+   * @deprecated This method will be private in future.
    */
   @Deprecated
   public void initPool(final GenericObjectPoolConfig<T> poolConfig, PooledObjectFactory<T> factory) {