diff --git a/Documentation/memory-hotplug.txt b/Documentation/memory-hotplug.txt
index c5a064508a3c8c25c83cba7eda6ede47fa4d31c8..ce2cfcf35c27a0d0972547e82f61fbc38c85b5ab 100644
--- a/Documentation/memory-hotplug.txt
+++ b/Documentation/memory-hotplug.txt
@@ -149,7 +149,7 @@ For example, assume 1GiB memory block size. A device for a memory starting at
 (0x100000000 / 1Gib = 4)
 This device covers address range [0x100000000 ... 0x140000000)
 
-Under each memory block, you can see 4 files:
+Under each memory block, you can see 5 files:
 
 /sys/devices/system/memory/memoryXXX/phys_index
 /sys/devices/system/memory/memoryXXX/phys_device