diff --git a/Doc/library/warnings.rst b/Doc/library/warnings.rst
index c66e65abee426f..83163cc688297c 100644
--- a/Doc/library/warnings.rst
+++ b/Doc/library/warnings.rst
@@ -595,6 +595,9 @@ Available Context Managers
     passed to :func:`simplefilter` as if it were called immediately on
     entering the context.
 
+    See :ref:`warning-filter` for the meaning of the *category* and *lineno*
+    parameters.
+
     .. note::
 
         The :class:`catch_warnings` manager works by replacing and