diff --git a/docs/x509/reference.rst b/docs/x509/reference.rst
index eb90bc4..baf8b1e 100644
--- a/docs/x509/reference.rst
+++ b/docs/x509/reference.rst
@@ -1087,7 +1087,7 @@
 
         :type: :class:`ObjectIdentifier`
 
-        The OID associated with this extension type.
+        Returns :data:`OID_OCSP_NO_CHECK`.
 
 .. class:: NameConstraints