Update DIG_Hautdidier.md

DIG_Hautdidier.md

@@ -6,7 +6,10 @@ Baptiste Hautdidier
 Liens et compléments d'information pour l'UE MRT1Y3, 2018-2019  
 6/12/2018
 
-Several species of <mark>salamander</mark> inhabit the temperate rainforest of the Pacific Northwest
+<details>
+    <summary>I have keys but no locks. I have space but no room. You can enter but can't leave. What am I?</summary>
+    A keyboard.
+</details>
 
 
 ## À propos de l'évaluation du module