Update cheatsheet.fr.md

12.temporary_ins/69.waves/10.n1/20.overview/cheatsheet.fr.md

@@ -45,4 +45,6 @@ $`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
 
 essai d'autodimensionnement
 
-<img src="chemin/vers/mon-gif.gif" alt="Description du GIF" style="width:100%; height:auto;" />
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+<img src="https://m3p2.com/fr/temporary_ins/aves/n1/overview/wave-no-carry-matter_L500.gif" alt="Description du GIF" style="width:100%; height:auto;" />
+
+![](wave-no-carry-matter_L500.gif)
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