diff --git a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.en.md b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.en.md
index 8e32af503..bce2552c7 100644
--- a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.en.md
+++ b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.en.md
@@ -20,7 +20,7 @@ $`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
 
 !!!! *LESSON  IN  CONSTRUCTION :* <br>
 !!!! Published but invisible: does not appear in the tree structure of the m3p2.com site. This course is *under construction*, it is *not approved by the pedagogical team* at this stage. <br>
-!!!! work document only for the pedagogical team.
+!!!! Working document intended only for the pedagogical team.
 
 <!--MétaDonnée : INS-1°année_-->