diff --git a/1.Basics.md b/1.Basics.md
index 9e28b53..20860d6 100644
--- a/1.Basics.md
+++ b/1.Basics.md
@@ -10,7 +10,7 @@
 
 ## Sketch: 0. Hello World
 
-'''javascript
+```javascript
 // Hello world! 
 // This is comment
 
@@ -22,4 +22,4 @@ function draw() {
   background(220);
   print("Hello World");          // see the console below ↓
 }
-'''
\ No newline at end of file
+```
\ No newline at end of file