diff --git a/source/_components/light.mqtt_template.markdown b/source/_components/light.mqtt_template.markdown
index 27f5e0f0b33..adf44a2a92e 100644
--- a/source/_components/light.mqtt_template.markdown
+++ b/source/_components/light.mqtt_template.markdown
@@ -52,7 +52,7 @@ state_topic:
   required: false
   type: string
 command_on_template:
-  description: "The [template](/docs/configuration/templating/#processing-incoming-data) for *on* state changes. Available variables: `state`, `brightness`, `red`, `green`, `blue`, `flash`, `transition` and `effect`."
+  description: "The [template](/docs/configuration/templating/#processing-incoming-data) for *on* state changes. Available variables: `state`, `brightness`, `red`, `green`, `blue`, `white_value`, `flash`, `transition` and `effect`."
   required: true
   type: string
 command_off_template: