Fix cuz description was messed up

Author: JanluOfficial

snippets/javascript/mathematical-functions/prime-number.md

@@ -1,6 +1,6 @@
 ---
 title: Prime Number
-description: Calculates the number of combinations (denoted as C(n,r) or "n choose r"), which determines how many ways you can select r items from n items without considering the order.
+description: Checks if a number is a prime number or not.
 author: JanluOfficial
 tags: math,number-theory,algebra
 ---