diff --git a/ch02/ex2-8.md b/ch02/ex2-8.md
index d44d96f..fd42568 100644
--- a/ch02/ex2-8.md
+++ b/ch02/ex2-8.md
@@ -5,11 +5,11 @@
 
 ```dart
 void main(){
-  int? ten = null;
-  print ('ten: $ten');
+  int ?myVariable;
+  print ('ten: $myVariable');
   
-  ten = 10;
-  print ('ten: $ten');
+  myVariable = 10;
+  print ('ten: $myVariable');
 }
 ```