diff --git a/src/panels/config/customize/ha-form-customize.js b/src/panels/config/customize/ha-form-customize.js
index 7c3290ae45..7b1bca7a49 100644
--- a/src/panels/config/customize/ha-form-customize.js
+++ b/src/panels/config/customize/ha-form-customize.js
@@ -27,7 +27,11 @@ class HaFormCustomize extends PolymerElement {
       >
         <div class="warning">
           It seems that your configuration.yaml doesn't properly
-          <a href="https://www.home-assistant.io/docs/configuration/customizing-devices/#customization-using-the-ui" target="_blank">include customize.yaml</a>.<br />
+          <a
+            href="https://www.home-assistant.io/docs/configuration/customizing-devices/#customization-using-the-ui"
+            target="_blank"
+            >include customize.yaml</a
+          >.<br />
           Changes made here are written in it, but will not be applied after a
           configuration reload unless the include is in place.
         </div>