diff --git a/docs/api.rst b/docs/api.rst
index 8a51097d..9378fa49 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -106,6 +106,7 @@ API Reference
         * ``verify_exp=verify_signature`` check that ``exp`` (expiration) claim value is in the future
         * ``verify_iat=verify_signature`` check that ``iat`` (issued at) claim value is an integer
         * ``verify_nbf=verify_signature`` check that ``nbf`` (not before) claim value is in the past
+        * ``strict_aud=False`` check that the ``aud`` claim is a single value (not a list), and matches ``audience`` exactly
 
         .. warning::