diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index e93d121..18302a7 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -1093,7 +1093,7 @@
 
        n = Value('i', 7)
        x = Value(c_double, 1.0/3.0, lock=False)
-       s = Array('c', 'hello world', lock=lock)
+       s = Array('c', b'hello world', lock=lock)
        A = Array(Point, [(1.875,-6.25), (-5.75,2.0), (2.375,9.5)], lock=lock)
 
        p = Process(target=modify, args=(n, x, s, A))