diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
index e651ed8d1e6f..4251085d38d3 100644
--- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
+++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
@@ -5206,14 +5206,14 @@ struct _snd_pcm_runtime {
You need to pass the snd_dma_pci_data(pci),
where pci is the struct pci_dev pointer
of the chip as well.
- The snd_sg_buf_t instance is created as
+ The struct snd_sg_buf instance is created as
substream->dma_private. You can cast
the pointer like:
dma_private;
+ struct snd_sg_buf *sgbuf = (struct snd_sg_buf *)substream->dma_private;
]]>