diff --git a/docs/book/24-Concurrent-Programming.md b/docs/book/24-Concurrent-Programming.md
index 603eb9e94a7686d3084629cacad822cc927934ed..11af4ea90fb8e08148aa792d32fa96c2d274f0b0 100644
--- a/docs/book/24-Concurrent-Programming.md
+++ b/docs/book/24-Concurrent-Programming.md
@@ -424,7 +424,7 @@ public class Summing2 {
     public static final long CHECK = (long)SZ * ((long)SZ + 1)/2;
     public static void main(String[] args) {
         System.out.println(CHECK);
-        long[] la = newlong[SZ+1];
+        long[] la = new long[SZ+1];
         Arrays.parallelSetAll(la, i -> i);
         Summing.timeTest("Array Stream Sum", CHECK, () ->
         Arrays.stream(la).sum());