diff --git a/Snippets/FunctionalProgramming/General/arrayLength.js b/Snippets/FunctionalProgramming/General/arrayLength.js
index bc17b1a..b1fd1e6 100644
--- a/Snippets/FunctionalProgramming/General/arrayLength.js
+++ b/Snippets/FunctionalProgramming/General/arrayLength.js
@@ -1,3 +1,5 @@
+// finds array length
+
 function arrayLength(arr){
     let len = 0;
     while(arr[len] !== undefined){