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 9d99f84cc..a50f41f46 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
@@ -18,7 +18,7 @@ $`\def\Ssclosed{\mathscr{S}_{\scriptsize\bigcirc}}`$
 $`\def\PSopen{\mathscr{S}_{\smile}}`$
 $`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
 
-!!!! *CURSO EN CONSTRUCCIÓN :* <br>
+!!!! *LESSON  IN  CONSTRUCTION :* <br>
 !!!! *Not published, not visible, not yet approved*<br>
 !!!! work document only for the pedagogical team.