diff --git a/README.md b/README.md
index 46366aead..c7eb9b984 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ There will be three different types of files:
       2. Solutions without code  
       3. Solutions with code and comments
 
-My suggestion is that you learn a topic in a tutorial or video and then do exercises.
+My suggestion is that you learn a topic in a tutorial or video and then must do exercises.
 Learn one more topic and do exercises. If you got the answer wrong, don't go directly to the solution with code.
 
 Suggestions and collaborations are more than welcome. Please open an issue or make a PR. :)