Update...

Update 10.temporary-m3p2/16.waves/20.n2/05.waves-introduction/20.waves-learning-pattern/cheatsheet.fr.md

10.temporary-m3p2/16.waves/20.n2/05.waves-introduction/20.waves-learning-pattern/cheatsheet.fr.md

@@ -13,7 +13,7 @@ lessons:
         name: SITUATION-2 : Les Ondes
         order: 3
     -
-        slug:
+        slug: waves-1-situation-fr
         name: SITUATION-1 : Les ondes
         order: 3
 ---