diff --git a/cpp/HiddenLayer.cpp b/cpp/HiddenLayer.cpp
index fb530c6..ec89061 100644
--- a/cpp/HiddenLayer.cpp
+++ b/cpp/HiddenLayer.cpp
@@ -1,3 +1,4 @@
+/* **** DEEP LEARNING HiddenLayer.cpp ****   */
 #include <iostream>
 #include <math.h>
 #include "HiddenLayer.h"