From e20a4c924e3df92bd5e16919725a86b967618edc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mar=C3=ADa=20Candela=20Paez?=
 <95256@sistemas.frc.utn.edu.ar>
Date: Sat, 13 Jun 2026 20:10:28 -0300
Subject: [PATCH] fix correct preposition in kotlin flatten-array mentoring

Fixed an incorrect preposition in the Common suggestions section, changing "lists on Int's" to "lists of Int's"
---
 tracks/kotlin/exercises/flatten-array/mentoring.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tracks/kotlin/exercises/flatten-array/mentoring.md b/tracks/kotlin/exercises/flatten-array/mentoring.md
index 6bb530dd6..917f3a6bf 100644
--- a/tracks/kotlin/exercises/flatten-array/mentoring.md
+++ b/tracks/kotlin/exercises/flatten-array/mentoring.md
@@ -28,6 +28,6 @@ object Flattener {
 ```
 
 ## Common suggestions
-* Remember that the solution must work for any type, not just `Int`s or lists on `Int`s (although the tests only test just these cases)
+* Remember that the solution must work for any type, not just `Int`s or lists of `Int`s (although the tests only test just these cases).
 * The `filterNotNull()` function can make your life easier. Include the nulls in your preliminary list, then filter them out.
-* As a challenge, try __not__ using library function `flatMap()`, and instead find a different way
\ No newline at end of file
+* As a challenge, try __not__ using library function `flatMap()`, and instead find a different way.