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

@@ -33,7 +33,7 @@ lessons:
         name: SCIENCE-&-ART : découvre les ondes stationnaires
         order: 3
     -  
-        slug: stationary-waves-and-techno-fr
+        slug: stationary-waves-and-techno-12-fr
         name: SCIENCE-&-TECHNO : découvre les ondes stationnaires
         order: 3
 ---