diff --git a/snippets/arithmeticProgression.md b/snippets/arithmeticProgression.md
index 601dd97ec..688a67a1a 100644
--- a/snippets/arithmeticProgression.md
+++ b/snippets/arithmeticProgression.md
@@ -3,7 +3,7 @@ title: arithmeticProgression
 tags: math,array,beginner
 ---
 
-Returns a array of numbers in the arithmetic progression starting with the given positive integer and up to the specified limit.
+Returns an array of numbers in the arithmetic progression starting with the given positive integer and up to the specified limit.
 
 - Use `Array.from()` to create an array of the desired length, `lim/n`, and a map function to fill it with the desired values in the given range.