diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 82259ca61e64..1ef7cdf1d3e8 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -1907,7 +1907,7 @@ static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
  * write).  The other callbacks, wait and reset, are not mandatory.
  * 
  * The clock is set to 48000.  If another clock is needed, set
- * (*rbus)->clock manually.
+ * ``(*rbus)->clock`` manually.
  *
  * The AC97 bus instance is registered as a low-level device, so you don't
  * have to release it manually.