Update cheatsheet.en.md

12.temporary_ins/32.sets-systems/30.n3/20.systems/20.overview/cheatsheet.en.md

 ---
-title: Les Systèmes
+title: Systems
 published: true
 routable: true
 visible: false
 lessons:
     - slug: from-sets-to-systems-3
-      name: PARALLÈLE : Des ensembles aux systèmes
+      name: PARALLEL : From sets to systems
       order: 3
     -
       slug: sets-to-SYSTEMS-linear-3
-      name: LINÉAIRE : Systèmes
+      name: LINEAR : Systems
       order: 2
 ---
 
@@ -54,11 +54,11 @@ $`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
 ---
 
 
-##### Randonnée Contreforts :  _thème transverse, pour tous_
+##### Foothill pathway :  _transverse theme, for all_
 
 ---------------------------
 
-### SYSTÈMES
+### SYSTEMS
 
 <br>