diff --git a/synapse/storage/schema/delta/30/state_stream.sql b/synapse/storage/schema/delta/30/state_stream.sql
index 7e5aeb33d2..a93548c421 100644
--- a/synapse/storage/schema/delta/30/state_stream.sql
+++ b/synapse/storage/schema/delta/30/state_stream.sql
@@ -15,7 +15,7 @@
 
 
 /* We used to create a table called presence_list, but this is no longer used
- * and is removed in delta 54.
+ * and is removed in delta 55.
  */
 
 /* The outlier events that have aquired a state group typically through
diff --git a/synapse/storage/schema/full_schemas/11/event_edges.sql b/synapse/storage/schema/full_schemas/11/event_edges.sql
index d22de12f4c..bb0f641025 100644
--- a/synapse/storage/schema/full_schemas/11/event_edges.sql
+++ b/synapse/storage/schema/full_schemas/11/event_edges.sql
@@ -15,7 +15,7 @@
 
 /* We used to create a tables called event_destinations and
  * state_forward_extremities, but these are no longer used and are removed in
- * delta 54.
+ * delta 55.
  */
 
 CREATE TABLE IF NOT EXISTS event_forward_extremities(
diff --git a/synapse/storage/schema/full_schemas/16/event_edges.sql b/synapse/storage/schema/full_schemas/16/event_edges.sql
index 599ab7521f..4fd6af6c25 100644
--- a/synapse/storage/schema/full_schemas/16/event_edges.sql
+++ b/synapse/storage/schema/full_schemas/16/event_edges.sql
@@ -15,7 +15,7 @@
 
 /* We used to create a tables called event_destinations and
  * state_forward_extremities, but these are no longer used and are removed in
- * delta 54.
+ * delta 55.
  */
 
 CREATE TABLE IF NOT EXISTS event_forward_extremities(