diff --git a/components/speaker/i2s_audio.rst b/components/speaker/i2s_audio.rst
index 468a954e1..20c4f83e7 100644
--- a/components/speaker/i2s_audio.rst
+++ b/components/speaker/i2s_audio.rst
@@ -54,7 +54,8 @@ Configuration variables:
   - ``pcm``
   - ``pcm_short``
   - ``pcm_long``
-- **timeout** (*Optional*, :ref:`config-time`): How long to wait after finishing playback before releasing the bus. Defaults to ``100ms``.
+- **buffer_duration** (*Optional*, :ref:`config-time`): The duration of the internal ring buffer. Larger values can reduce stuttering but uses more memory. Defaults to ``500ms``.
+- **timeout** (*Optional*, :ref:`config-time`): How long to wait after finishing playback before releasing the bus. Set to ``never`` to never stop the speaker due to a timeout. Defaults to ``500ms``.
 - All other options from :ref:`Speaker Component <config-speaker>`.
 
 External DAC