diff --git a/docs/plugins/gst-plugins-good-plugins-docs.sgml b/docs/plugins/gst-plugins-good-plugins-docs.sgml
index 2a898423ed..48bca35026 100644
--- a/docs/plugins/gst-plugins-good-plugins-docs.sgml
+++ b/docs/plugins/gst-plugins-good-plugins-docs.sgml
@@ -108,6 +108,7 @@
+
@@ -328,6 +329,7 @@
+
diff --git a/docs/plugins/gst-plugins-good-plugins-sections.txt b/docs/plugins/gst-plugins-good-plugins-sections.txt
index d1c1a14c0c..851706146b 100644
--- a/docs/plugins/gst-plugins-good-plugins-sections.txt
+++ b/docs/plugins/gst-plugins-good-plugins-sections.txt
@@ -1409,6 +1409,20 @@ GST_TYPE_MPEG_AUDIO_PARSE
gst_mpeg_audio_parse_get_type
+
+element-mpg123audiodec
+mpg123audiodec
+GstMpg123AudioDec
+
+GstMpg123AudioDecClass
+GST_MPG123_AUDIO_DEC
+GST_MPG123_AUDIO_DEC_CLASS
+GST_IS_MPG123_AUDIO_DEC
+GST_IS_MPG123_AUDIO_DEC_CLASS
+GST_TYPE_MPG123_AUDIO_DEC
+gst_mpg123_audio_dec_get_type
+
+
element-mulawdec
mulawdec
diff --git a/docs/plugins/gst-plugins-good-plugins.hierarchy b/docs/plugins/gst-plugins-good-plugins.hierarchy
index 22c8f82f4c..a928dc5e1f 100644
--- a/docs/plugins/gst-plugins-good-plugins.hierarchy
+++ b/docs/plugins/gst-plugins-good-plugins.hierarchy
@@ -26,6 +26,7 @@ GObject
GstAudioDecoder
GstALawDec
GstFlacDec
+ GstMpg123AudioDec
GstMuLawDec
GstSpeexDec
GstWavpackDec
diff --git a/docs/plugins/inspect/plugin-mpg123.xml b/docs/plugins/inspect/plugin-mpg123.xml
new file mode 100644
index 0000000000..b040904a74
--- /dev/null
+++ b/docs/plugins/inspect/plugin-mpg123.xml
@@ -0,0 +1,34 @@
+
+ mpg123
+ mp3 decoding based on the mpg123 library
+ ../../ext/mpg123/.libs/libgstmpg123.so
+ libgstmpg123.so
+ 1.13.0.1
+ LGPL
+ gst-plugins-good
+ GStreamer Good Plug-ins git
+ Unknown package origin
+
+
+ mpg123audiodec
+ mpg123 mp3 decoder
+ Codec/Decoder/Audio
+ Decodes mp3 streams using the mpg123 library
+ Carlos Rafael Giani <dv@pseudoterminal.org>
+
+
+ sink
+ sink
+ always
+ audio/mpeg, mpegversion=(int)1, layer=(int)[ 1, 3 ], rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ], parsed=(boolean)true
+
+
+ src
+ source
+ always
+ audio/x-raw, format=(string){ S16LE, U16LE, S32LE, U32LE, S24LE, U24LE, F32LE }, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ], layout=(string)interleaved
+
+
+
+
+
\ No newline at end of file