diff --git a/cpp/inheritance/cat.h b/cpp/inheritance/cat.h
index 79e2098..a2d1cf8 100644
--- a/cpp/inheritance/cat.h
+++ b/cpp/inheritance/cat.h
@@ -5,6 +5,7 @@
 #include "animal.h"
 using namespace std;
 
+// make the class inherit from animal
 class cat: public animal
 {
   // include the animal constructor
diff --git a/cpp/inheritance/dog.h b/cpp/inheritance/dog.h
index 4a533b1..a2b38f4 100644
--- a/cpp/inheritance/dog.h
+++ b/cpp/inheritance/dog.h
@@ -5,6 +5,7 @@
 #include "animal.h"
 using namespace std;
 
+// make the class inherit from animal
 class dog: public animal
 {
   // include the animal constructor