1 files changed, 4 insertions, 0 deletions
diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md
index c5c2c2b615..1b6f256949 100644
--- a/docs/usage/configuration/config_documentation.md
+++ b/docs/usage/configuration/config_documentation.md
@@ -577,6 +577,10 @@ delete any device that hasn't been accessed for more than the specified amount o
 
 Defaults to no duration, which means devices are never pruned.
 
+**Note:** This task will always run on the main process, regardless of the value of
+`run_background_tasks_on`. This is due to workers currently not having the ability to
+delete devices.
+
 Example configuration:
 ```yaml
 delete_stale_devices_after: 1y