diff --git a/Documentation/media/uapi/v4l/vidioc-reqbufs.rst b/Documentation/media/uapi/v4l/vidioc-reqbufs.rst
index c25b0719c2ff1c3d877ede11beb3440eb5c1c45d..5d0bc6d31c07f7f6f466a9dca0e9742b80a5d8c4 100644
--- a/Documentation/media/uapi/v4l/vidioc-reqbufs.rst
+++ b/Documentation/media/uapi/v4l/vidioc-reqbufs.rst
@@ -9,7 +9,7 @@ ioctl VIDIOC_REQBUFS
 Name
 ====
 
-VIDIOC_REQBUFS - Initiate Memory Mapping or User Pointer I/O
+VIDIOC_REQBUFS - Initiate Memory Mapping, User Pointer I/O or DMA buffer I/O
 
 
 Synopsis