diff --git a/fs/splice.c b/fs/splice.c
index 9eca476227d5..d37431dd60a1 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1283,6 +1283,7 @@ static int direct_splice_actor(struct pipe_inode_info *pipe,
  * @in:		file to splice from
  * @ppos:	input file offset
  * @out:	file to splice to
+ * @opos:	output file offset
  * @len:	number of bytes to splice
  * @flags:	splice modifier flags
  *