diff --git a/docs/asyncio_thread_safety.md b/docs/asyncio_thread_safety.md
index b07bb754..61a8a5a1 100644
--- a/docs/asyncio_thread_safety.md
+++ b/docs/asyncio_thread_safety.md
@@ -74,4 +74,8 @@ Updating config entry must be done in the event loop thread. There is no sync AP
 
 #### async_dispatcher_send
 
-When calling the dispatcher from a thread other than the event loop thread, instead use `dispatcher_send`.
\ No newline at end of file
+When calling the dispatcher from a thread other than the event loop thread, instead use `dispatcher_send`.
+
+#### async_render_to_info
+
+Templates must be rendered in the event loop thread. There is no sync API to render templates. Use `hass.add_job` to schedule a function in the event loop that calls `async_render_to_info`.