diff --git a/Backend/Utils.cs b/Backend/Utils.cs
index c81fc2b..194f8fc 100644
--- a/Backend/Utils.cs
+++ b/Backend/Utils.cs
@@ -15,7 +15,7 @@ public static class Utils {
 	// Works up to 79, doubt i'll have >=80 minute read time blog posts
 	public static string a_an(int number) {
 		if (number >= 80)
-			throw new ArgumentOutOfRangeException();
+			throw new ArgumentOutOfRangeException(nameof(number));
 
 		return number switch {
 			8  => "an",