diff --git a/Solutions/6-matrix.js b/Solutions/6-matrix.js
index 78369e8..656bb9c 100644
--- a/Solutions/6-matrix.js
+++ b/Solutions/6-matrix.js
@@ -12,4 +12,8 @@ const max = matrix => {
   return value;
 };
 
+/* one-line solution
+const max = matrix =>  Math.max(...matrix.flat())
+*/
+
 module.exports = { max };