correct version

Author: Alex Peck

BitFaster.Caching.UnitTests/Lfu/ConcurrentLfuBuilderTests.cs

@@ -12,9 +12,9 @@ public class ConcurrentLfuBuilderTests
         [Fact]
         public void TestConcurrencyLevel()
         {
-            // on .net9, -1 indicates the default concurrency level
+            // Note that on .net8+, -1 indicates the default concurrency level
             var b = new ConcurrentLfuBuilder<int, int>()
-                .WithConcurrencyLevel(-2);
+                .WithConcurrencyLevel(0);
 
             Action constructor = () => { var x = b.Build(); };
 

BitFaster.Caching/Lru/Defaults.cs

@@ -4,7 +4,7 @@ namespace BitFaster.Caching.Lru
 {
     internal static class Defaults
     {
-#if NET9_0_OR_GREATER
+#if NET8_0_OR_GREATER
         public static int ConcurrencyLevel => -1;
 #else
         public static int ConcurrencyLevel => Environment.ProcessorCount;