diff --git a/amaranth-stubs b/amaranth-stubs
index e8efebb9d..480a38672 160000
--- a/amaranth-stubs
+++ b/amaranth-stubs
@@ -1 +1 @@
-Subproject commit e8efebb9dfc8f89a93b92b290eb9f9b11899ed0d
+Subproject commit 480a38672c6e84f4827a458e50e06d69f5588713
diff --git a/transactron/testing/method_mock.py b/transactron/testing/method_mock.py
index 78f758934..ab6c53120 100644
--- a/transactron/testing/method_mock.py
+++ b/transactron/testing/method_mock.py
@@ -112,7 +112,7 @@ def def_method_mock(
     which correspond to named arguments of the method.
 
     This decorator can be applied to function definitions or method definitions.
-    When applied to a method definition, lambdas passed to `async_def_method_mock`
+    When applied to a method definition, lambdas passed to `def_method_mock`
     need to take a `self` argument, which should be the first.
 
     Any side effects (state modification, assertions, etc.) need to be guarded