Update...

Update 10.temporary-m3p2/16.waves/08.waves-and-experiment/20.stationary-waves/20.technology/15.n12/20.overview/cheatsheet.fr.md

10.temporary-m3p2/16.waves/08.waves-and-experiment/20.stationary-waves/20.technology/15.n12/20.overview/cheatsheet.fr.md

@@ -5,7 +5,7 @@ routable: true
 visible: false
 lessons:
     -  
-        slug: stationary-waves-and-techno-12-fr
+        slug: stationary-waves-and-art-fr
         name: SCIENCE-&-ART : découvre les ondes stationnaires
         order: 2
 ---