From a9cba671a1eaf769a3de5f9f18100f18a9b54bcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20S=C3=B8rensen?= <joasoe@gmail.com>
Date: Sat, 27 Oct 2018 14:59:01 +0200
Subject: [PATCH] Added note about entity_id and homeassistant.update_entity

---
 source/_components/sensor.template.markdown | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/_components/sensor.template.markdown b/source/_components/sensor.template.markdown
index eb5a34a6acb..78926760a31 100644
--- a/source/_components/sensor.template.markdown
+++ b/source/_components/sensor.template.markdown
@@ -16,6 +16,10 @@ ha_qa_scale: internal
 
 The `template` platform supports sensors which break out `state_attributes` from other entities.
 
+<p class='note'>
+If you do not supply an `entity_id` in the configuration you will need to run the service `homeassistant.update_entity` to update the sensor.
+</p>
+
 ## {% linkable_title Configuration %}
 
 To enable Template Sensors in your installation, add the following to your `configuration.yaml` file: