diff --git a/docs/config.rst b/docs/config.rst
index dd06cbdd..a646b080 100644
--- a/docs/config.rst
+++ b/docs/config.rst
@@ -169,6 +169,14 @@ Plugins
 """""""
 Plugins are used to perform any type of post-processing to the already downloaded files.
 
+audio_extract
+'''''''''''''
+.. autoclass:: ytdl_sub.plugins.audio_extract.AudioExtractOptions()
+  :members:
+  :member-order: bysource
+
+-------------------------------------------------------------------------------
+
 music_tags
 ''''''''''
 .. autoclass:: ytdl_sub.plugins.music_tags.MusicTagsOptions()
diff --git a/examples/youtube_extract_and_tag_audio.yaml b/examples/youtube_extract_and_tag_audio.yaml
index 8c004fd1..e738ba59 100644
--- a/examples/youtube_extract_and_tag_audio.yaml
+++ b/examples/youtube_extract_and_tag_audio.yaml
@@ -1,4 +1,4 @@
-# TODO: add comments explaining stuff
+# Extracts audio from YouTube videos, converts it to mp3, and adds audio tags to it.
 configuration:
   working_directory: '.ytdl-sub-downloads'
 
diff --git a/src/ytdl_sub/plugins/audio_extract.py b/src/ytdl_sub/plugins/audio_extract.py
index 9073f318..a26d4bfb 100644
--- a/src/ytdl_sub/plugins/audio_extract.py
+++ b/src/ytdl_sub/plugins/audio_extract.py
@@ -14,7 +14,7 @@ from ytdl_sub.validators.validators import FloatValidator
 
 class AudioExtractOptions(PluginOptions):
     """
-    Extracts audio from a video file
+    Extracts audio from a video file.
 
     Usage:
 
@@ -46,7 +46,7 @@ class AudioExtractOptions(PluginOptions):
     def quality(self) -> Optional[float]:
         """
         Optional. Specify ffmpeg audio quality. Insert a value between ``0`` (better) and ``9``
-        (worse) for VBR or a specific bitrate like ``128`` for 128k.
+        (worse) for variable bitrate, or a specific bitrate like ``128`` for 128k.
         """
         if self._quality is not None:
             return self._quality.value