diff --git a/docs/erd.puml b/docs/erd.puml
index bc073e3..d3ed165 100644
--- a/docs/erd.puml
+++ b/docs/erd.puml
@@ -29,7 +29,7 @@ entity "data.categories" as cty {
     * name : varchar(256)
       notes : text
       color : char(6)
-    * created_at : timestamptz <<generated>>
+    ' * created_at : timestamptz <<generated>>
     * creator_id : smallint
     ' * is_private : boolean
 }
@@ -44,7 +44,7 @@ entity "data.files" as fle {
     * datetime : timestamptz
       notes : text
     * metadata : jsonb
-    * created_at : timestamptz <<generated>>
+    ' * created_at : timestamptz <<generated>>
     * creator_id : smallint
     ' * is_private : boolean
 }
@@ -59,7 +59,7 @@ entity "data.tags" as tag {
       notes : text
       color : char(6)
       category_id : uuid
-    * created_at : timestamptz <<generated>>
+    ' * created_at : timestamptz <<generated>>
     * creator_id : smallint
     ' * is_private : boolean
 }
@@ -91,7 +91,7 @@ entity "data.pools" as pool {
     * name : varchar(256)
       notes : text
     '   parent_id : uuid
-    * created_at : timestamptz
+    ' * created_at : timestamptz
     * creator_id : smallint
     ' * is_private : boolean
 }