diff --git a/doc/src/CNN/cnn.do.txt b/doc/src/CNN/cnn.do.txt
index 388f3ec22..aaede0508 100644
--- a/doc/src/CNN/cnn.do.txt
+++ b/doc/src/CNN/cnn.do.txt
@@ -7,7 +7,7 @@ DATE: today
 
 * add material about the mathematics, with more explanations
 * update codes to tensorflow 2
-
+* add more elaborated examples
 
 !split
 ===== Convolutional Neural Networks (recognizing images) =====