diff --git a/source/_components/recorder.markdown b/source/_components/recorder.markdown
index 7c8c16d2bd5..ddf835cff50 100644
--- a/source/_components/recorder.markdown
+++ b/source/_components/recorder.markdown
@@ -27,7 +27,7 @@ recorder:
 
 Configuration variables:
 
-- **purge_days** (*Optional*): Delete events and states older than x days.
+- **purge_days** (*Optional*): Delete events and states older than x days. The purge task runs every 2 days, starting from when Home Assistant is started if you restart your instance more frequently than the purge will never take place.
 - **exclude** (*Optional*): Configure which components should be excluded from recordings.
   - **entities** (*Optional*): The list of entity ids to be excluded from recordings.
   - **domains** (*Optional*): The list of domains to be excluded from recordings.