diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst
index d60a6ce95cdd87c..ac0e50a7e7c6dbc 100644
--- a/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@ -1047,6 +1047,14 @@ Unix signals
    Like :func:`signal.signal`, this function must be invoked in the main
    thread.
 
+   While signal handlers registered using :func:`signal.signal` will typically be
+   called without significant delays as seen from the perspective of an
+   interactive user, signal callbacks in asyncio are subject to additional
+   delays while waiting for other work in the given event loop to be completed.
+
+   Any event handler set for the same signal via :func:`signal.signal` is
+   implicitly removed by this method.
+
 .. method:: loop.remove_signal_handler(sig)
 
    Remove the handler for the *sig* signal.