diff --git a/1.Basics.md b/1.Basics.md
index 930cd0a..1af598a 100644
--- a/1.Basics.md
+++ b/1.Basics.md
@@ -6,6 +6,8 @@
 <img src="https://git.le-club-des-sans-sujets.org/gauthiier/Revisiting-Concepts-Notations-Software-Art/media/branch/main/img/editor.p5js.png" alt="autopilot creativity" height="650"/>	
 </p>
 
+## 🤔 How does code work/act?
+
 <p align="center">
 <img src="https://git.le-club-des-sans-sujets.org/gauthiier/Revisiting-Concepts-Notations-Software-Art/raw/branch/main/img/compiler.svg" alt="autopilot creativity" height="150"/>
 </p>
@@ -30,6 +32,12 @@ function draw() {
 }
 ```
 
+## 🤔 What kind of "Errors"?
+
+<p align="center">
+<img src="https://git.le-club-des-sans-sujets.org/gauthiier/Revisiting-Concepts-Notations-Software-Art/media/branch/main/img/error.png" height="200"/>	
+</p>
+
 ## Sketch: 1.0 Key Events
 
 ```javascript