diff --git a/doc/en/conf.py b/doc/en/conf.py
index 47fc70dce85..f43e3b3b951 100644
--- a/doc/en/conf.py
+++ b/doc/en/conf.py
@@ -97,6 +97,7 @@
     # TypeVars
     ("py:class", "_pytest._code.code.E"),
     ("py:class", "E"),  # due to delayed annotation
+    ("py:class", "P"),
     ("py:class", "_pytest.fixtures.FixtureFunction"),
     ("py:class", "_pytest.nodes._NodeType"),
     ("py:class", "_NodeType"),  # due to delayed annotation