diff --git a/lectures/06_memory/README.md b/lectures/06_memory/README.md
index 8aba054..007dd3a 100644
--- a/lectures/06_memory/README.md
+++ b/lectures/06_memory/README.md
@@ -125,7 +125,7 @@ delete q;
 
 ### 6.2.2 Exercise
 
-In the following program, which variable is stored in the stack?
+In the following program, which variable is stored on the stack?
 
 ```cpp
 #include <iostream>