Update...

Update 10.temporary-m3p2/16.waves/20.n2/10.concept-of-wave-and-wave-phenomena-2/20.overview/cheatsheet.fr.md

10.temporary-m3p2/16.waves/20.n2/10.concept-of-wave-and-wave-phenomena-2/20.overview/cheatsheet.fr.md

@@ -39,7 +39,7 @@ lessons:
     -
         slug: waves-12-panorama-fr
         name: PANORAMA-12 : les ondes
-        order: 3
+        order: 3 
     -
         slug: interdisciplinary-propagation-absorption-amplification-2
         name: CROSS-2 : Propagation, absorption, amplification