diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 742f69d..e6b6e056 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3874,6 +3874,10 @@
 	usbcore.usbfs_snoop=
 			[USB] Set to log all usbfs traffic (default 0 = off).
 
+	usbcore.usbfs_snoop_max=
+			[USB] Maximum number of bytes to snoop in each URB
+			(default = 65536).
+
 	usbcore.blinkenlights=
 			[USB] Set to cycle leds on hubs (default 0 = off).