diff --git a/python/paddle/reader/__init__.py b/python/paddle/reader/__init__.py
index 28a69d8370262d59ccc423c84f3b7acc60d039b8..493b410e8299ebe167be43ead1401a6ab245a631 100644
--- a/python/paddle/reader/__init__.py
+++ b/python/paddle/reader/__init__.py
@@ -12,4 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# It would be too lengthy to require our users to prefix decorators with `decorator`.
+# For example, we want the following line
+#
+#     r = paddle.reader.decorator.bufferd(paddle.reader.creator.text("hello.txt"))
+#
+# to be a shorter version:
+#
+#     r = paddle.reader.buffered(paddle.reader.creator.text("hello.txt"))
 from decorator import *