doc: Fix typo in USB Gadget Documentation

Changed from "Please not that" to "Please note that"

Signed-off-by: David E. Narvaez <david.narvaez@computer.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/usb/gadget_multi.txt b/Documentation/usb/gadget_multi.txt
index 80f4ef0..7d66a86 100644
--- a/Documentation/usb/gadget_multi.txt
+++ b/Documentation/usb/gadget_multi.txt
@@ -14,7 +14,7 @@
 and RNDIS can be turned off.  If they are both enabled the gadget will
 have two configurations -- one with RNDIS and another with CDC ECM[3].
 
-Please not that if you use non-standard configuration (that is enable
+Please note that if you use non-standard configuration (that is enable
 CDC ECM) you may need to change vendor and/or product ID.
 
 * Host drivers