diff --git a/source/_components/google_assistant.markdown b/source/_components/google_assistant.markdown
index 1e1b405b6fc..b19e182e2ed 100644
--- a/source/_components/google_assistant.markdown
+++ b/source/_components/google_assistant.markdown
@@ -71,7 +71,7 @@ api_key:
   required: false
   type: string
 expose_by_default:
-  description: Expose devices in all supported domains by default.
+  description: Expose devices in all supported domains by default. If set to false, you need to either expose domains or add the expose configuration option to each entity in entity_config and set it to true.
   required: false
   default: True
   type: boolean