diff --git a/source/_data/glossary.yml b/source/_data/glossary.yml
index bef18fe2b88..10edfdeea7f 100644
--- a/source/_data/glossary.yml
+++ b/source/_data/glossary.yml
@@ -284,6 +284,19 @@
     other integrations.
   link: /docs/configuration/platform_options/
 
+- term: Reload
+  definition: >-
+    Updates Home Assistant configuration files. Changes are normally
+    automatically updated. However, when changes are made outside of the UI
+    and at a file level, Home Assistant is not aware of these changes and
+    requires the configuration file(s) to be reloaded to pick up any changes
+    made by going to **Settings** > **System** > **Restart Home Assistant**
+    (top right) > **Quick reload**. More granular reload options are available
+    in *YAML configuration reloading* section in **Developer tools** > **YAML**.
+  excerpt: >
+    Updates Home Assistant configuration files. Changes are normally
+    automatically updated.
+
 - term: Scene
   definition: >-
     Scenes capture the states you want certain entities to be. For example,