diff --git a/gst-libs/gst/audio/gstaudioringbuffer.h b/gst-libs/gst/audio/gstaudioringbuffer.h
index 24fe350169..b3c87c466f 100644
--- a/gst-libs/gst/audio/gstaudioringbuffer.h
+++ b/gst-libs/gst/audio/gstaudioringbuffer.h
@@ -220,7 +220,7 @@ struct _GstAudioRingBuffer {
  * @pause: pause processing of samples
  * @resume: resume processing of samples after pause
  * @stop: stop processing of samples
- * @delay: get number of samples queued in device
+ * @delay: get number of frames queued in device
  * @activate: activate the thread that starts pulling and monitoring the
  * consumed segments in the device.
  * @commit: write samples into the ringbuffer
diff --git a/gst-libs/gst/audio/gstaudiosink.h b/gst-libs/gst/audio/gstaudiosink.h
index 9237fef394..4fde56f935 100644
--- a/gst-libs/gst/audio/gstaudiosink.h
+++ b/gst-libs/gst/audio/gstaudiosink.h
@@ -66,7 +66,7 @@ struct _GstAudioSink {
  * @unprepare: Undo operations done in prepare.
  * @close: Close the device.
  * @write: Write data to the device.
- * @delay: Return how many samples are still in the device. This is used to
+ * @delay: Return how many frames are still in the device. This is used to
  *         drive the synchronisation.
  * @reset: Returns as quickly as possible from a write and flush any pending
  *         samples from the device.
diff --git a/gst-libs/gst/audio/gstaudiosrc.h b/gst-libs/gst/audio/gstaudiosrc.h
index 040caa2e3d..211ea0a923 100644
--- a/gst-libs/gst/audio/gstaudiosrc.h
+++ b/gst-libs/gst/audio/gstaudiosrc.h
@@ -65,7 +65,7 @@ struct _GstAudioSrc {
  * @unprepare: undo the configuration
  * @close: close the device
  * @read: read samples from the audio device
- * @delay: the number of samples queued in the device
+ * @delay: the number of frames queued in the device
  * @reset: unblock a read to the device and reset.
  *
  * #GstAudioSrc class. Override the vmethod to implement