diff --git a/src/monitor_utils/runner.py b/src/monitor_utils/runner.py
index c334400..89487d7 100644
--- a/src/monitor_utils/runner.py
+++ b/src/monitor_utils/runner.py
@@ -213,6 +213,11 @@ async def execute_monitor_logic(
         proxies: Proxies applied to the session.
         headers: Headers applied to the session.
         cookies: Cookies applied to the base session; ignored for TLS.
+        pre_task_func: Optional awaitable run once per cycle, awaited before any
+            category tasks are dispatched and receiving session and **kwargs.
+            Use it for setup the category tasks depend on (session headers,
+            cookies, fetched state); if it raises an expected task error the
+            cycle is skipped and retried after the usual delay.
         concurrent_pre_task_func: Optional awaitable run once per cycle, gathered
             alongside the category tasks and receiving session and **kwargs.
             Category tasks must not depend on its side effects (session