diff --git a/gst-libs/gst/audio/gstaudiodecoder.c b/gst-libs/gst/audio/gstaudiodecoder.c
index dc4cedd6ce..40fa82a8bd 100644
--- a/gst-libs/gst/audio/gstaudiodecoder.c
+++ b/gst-libs/gst/audio/gstaudiodecoder.c
@@ -2434,7 +2434,7 @@ exit:
  *
  * Returns: (transfer-full): a #GstCaps owned by caller
  *
- * @Since: 1.6
+ * Since: 1.6
  */
 GstCaps *
 gst_audio_decoder_proxy_getcaps (GstAudioDecoder * decoder, GstCaps * caps,
diff --git a/gst-libs/gst/audio/gstaudiodecoder.h b/gst-libs/gst/audio/gstaudiodecoder.h
index 6febb91674..56cfa46184 100644
--- a/gst-libs/gst/audio/gstaudiodecoder.h
+++ b/gst-libs/gst/audio/gstaudiodecoder.h
@@ -295,7 +295,7 @@ GType             gst_audio_decoder_get_type (void);
 gboolean          gst_audio_decoder_set_output_format  (GstAudioDecoder    * dec,
                                                         const GstAudioInfo * info);
 
-GstCaps *         gst_audio_decoder_proxy_getcaps (GstAudioDecoder * dec,
+GstCaps *         gst_audio_decoder_proxy_getcaps (GstAudioDecoder * decoder,
                                                    GstCaps         * caps,
                                                    GstCaps         * filter);
 gboolean          gst_audio_decoder_negotiate (GstAudioDecoder * dec);