diff --git a/django/db/migrations/state.py b/django/db/migrations/state.py
index e4213c2854..275d3b03a4 100644
--- a/django/db/migrations/state.py
+++ b/django/db/migrations/state.py
@@ -257,7 +257,7 @@ class StateApps(Apps):
         """
         def extract_field(operation):
             # operation is annotated with the field in
-            # apps.register.Apps.lazy_model_operation().
+            # apps.registry.Apps.lazy_model_operation().
             return getattr(operation, 'field', None)
 
         def extract_field_names(operations):