diff --git a/components/rtttl.rst b/components/rtttl.rst
index 0a0f7da31..d8e6e2c70 100644
--- a/components/rtttl.rst
+++ b/components/rtttl.rst
@@ -37,6 +37,7 @@ The tone generator needs a PWM capable output to work with, currently only the
     rtttl:
       output: rtttl_out
       id: my_rtttl
+      gain: 60%
 
 Overview Using the I2S speaker
 ------------------------------
@@ -54,6 +55,7 @@ The tone generator can instead be used with a :doc:`Speaker </components/speaker
     rtttl:
       speaker: my_speaker
       id: my_rtttl
+      gain: 0.8
 
 Configuration variables:
 ------------------------
@@ -62,6 +64,7 @@ Configuration variables:
   this buzzer.
 - **speaker** (**Exclusive**, :ref:`config-id`): The id of the :ref:`speaker <i2s_audio>` to play the song on.
 - **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
+- **gain** (*Optional*, Percentage): With this value you can set the volume of the sound.
 - **on_finished_playback** (*Optional*, :ref:`Automation <automation>`): An action to be
   performed when playback is finished.