1 files changed, 1 insertions, 0 deletions
diff --git a/src/pcm.c b/src/pcm.c
index c09f045..1ce1a54 100644
--- a/src/pcm.c
+++ b/src/pcm.c
@@ -201,6 +201,7 @@ unsigned int pcm_get_buffer_size(struct pcm *pcm)
 
 /** Gets the file descriptor of the PCM.
  * Useful for extending functionality of the PCM when needed.
+ * @param pcm A PCM handle.
  * @return The file descriptor of the PCM.
  * @ingroup libtinyalsa-pcm
  */