diff --git a/source/_integrations/fan.markdown b/source/_integrations/fan.markdown
index d39a2a64fbc..3736365f42c 100644
--- a/source/_integrations/fan.markdown
+++ b/source/_integrations/fan.markdown
@@ -53,7 +53,7 @@ automation:
 
 ### Service `fan.set_preset_mode`
 
-Sets a preset mode for fan device.
+Sets a preset mode for the fan device. Available preset modes are defined by the integration that supplies the fan entity to Home Assistant. For example, the ESPHome [Speed Fan](https://esphome.io/components/fan/speed.html) component provides by default three available presets: `Low`, `Medium` and `High`.
 
 | Service data attribute | Optional | Description |
 | ---------------------- | -------- | ----------- |