diff --git a/source/_data/glossary.yml b/source/_data/glossary.yml
index ffdd7f28fc6..9a59d61a786 100644
--- a/source/_data/glossary.yml
+++ b/source/_data/glossary.yml
@@ -1,7 +1,7 @@
 - topic: Action
   description: "An [Action](/docs/automation/action/) is an event that can be fired as a response to a trigger,  once all conditions have been met."
 - topic: Add-on
-  description: "Add-ons provide additional, standalone, applications that can run beside Home Assistant. Most of these, add-on provided, applications can be integrated into Home Assistant using integrations. Examples of add-ons are: an MQTT broker, database service or a file server."
+  description: "Add-ons are additional standalone third-party software packages that can be installed on Home Assistant OS. Most of these, add-on provided, applications can be integrated into Home Assistant using integrations. Examples of add-ons are: an MQTT broker, database service or a file server."
 - topic: Automation
   description: "[Automations](/docs/automation/) connect one or more triggers to one or more actions in a 'when trigger then do action' fashion with additional optional conditions. For example, an automation might connect the trigger 'sunset' to the action 'turn the lights on' but only if the condition 'someone is home' is met. Pre-made automations for common use-cases are available via [the blueprints feature](/docs/automation/using_blueprints/)."
 - topic: Binary sensor