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 2b0a1fe51..9d99f84cc 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
@@ -19,7 +19,7 @@ $`\def\PSopen{\mathscr{S}_{\smile}}`$
$`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
!!!! *CURSO EN CONSTRUCCIÓN :*
-!!!! *Nt published, not yet approved*
+!!!! *Not published, not visible, not yet approved*
!!!! work document only for the pedagogical team.