diff --git a/tps/sem4/README.md b/tps/sem4/README.md
index 973a5fd..5cda049 100644
--- a/tps/sem4/README.md
+++ b/tps/sem4/README.md
@@ -126,10 +126,10 @@ Elle retourne le résultat du lancé au format JSON.
 
 Exemple http://localhost:3000/dice-rolls/d10/ retourne :
 
-```
+```json
 {
-  dice: "d10",
-  rolls: [
+  "dice": "d10",
+  "rolls": [
     5
   ]
 }