diff --git a/source/_components/input_number.markdown b/source/_components/input_number.markdown
index 8eb1984d529..3a5202960ba 100644
--- a/source/_components/input_number.markdown
+++ b/source/_components/input_number.markdown
@@ -45,7 +45,7 @@ Configuration variables:
   - **step** (*Optional*): Step value for the slider. Defaults to 1.
   - **mode** (*Optional*): Can specify `box`, or `slider`. Defaults to `slider`.
   - **unit_of_measurement** (*Optional*): Unit of measurement in which the value of the slider is expressed in.
-  - **icon** (Optional): Icon to display in front of the box/slider in the frontend. Refer to the [Customizing devices](https://home-assistant.io/docs/configuration/customizing-devices/#possible-values) page for possible values.
+  - **icon** (*Optional*): Icon to display in front of the box/slider in the frontend. Refer to the [Customizing devices](https://home-assistant.io/docs/configuration/customizing-devices/#possible-values) page for possible values.
 
 ## {% linkable_title Automation Examples %}