diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index 7953948..4e36578 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -432,7 +432,7 @@
  * @length: size of data
  * Context: irqs blocked, acm->lock held, acm_notify_req non-null
  *
- * Returns zero on sucess or a negative errno.
+ * Returns zero on success or a negative errno.
  *
  * See section 6.3.5 of the CDC 1.1 specification for information
  * about the only notification we issue:  SerialState change.