Update...

Update 12.temporary_ins/04-math-tools/70.systems-of-differential-equations/40.parallel-1/cheatsheet.fr.md

12.temporary_ins/04-math-tools/70.systems-of-differential-equations/40.parallel-1/cheatsheet.fr.md

@@ -12,8 +12,8 @@ lessons:
         name: OUTIL-MATH : From-differential-equations-to-systems-of-differential-equations
         order: 2
     -
-        slug: systems-top-down-with-differential-equations-4
-        name: MATH-TOOLS : Top-down and differential equations
+        slug: systems-bottom-up-with-differential-equations-4
+        name: MATH-TOOLS : Bottom-up and differential equations
         order: 1
 ---