diff --git a/src/main/asciidoc/models/design/inventory.puml b/src/main/asciidoc/models/design/inventory.puml
index 87f2ff2..4e6817a 100644
--- a/src/main/asciidoc/models/design/inventory.puml
+++ b/src/main/asciidoc/models/design/inventory.puml
@@ -29,9 +29,9 @@ package catering {
       + list(model : Model) : String
       + edit(model : Model, pid : Product) : String
       + edit(model : Model, pid : Product, form : InventoryMutateForm) : String
-      + editConsumable(form: ConsumableMutateForm, result: Errors, pid : Product, model : Model) : String
-      + editRentable(form: RentableMutateForm, result: Errors, pid : Product, model : Model) : String
-      + edit(form : InventoryMutateForm, result : Errors, pid : Product, model : Model) : String
+      + editConsumable(form: ConsumableMutateForm, result: Errors, pid : Consumable, model : Model) : String
+      + editRentable(form: RentableMutateForm, result: Errors, pid : Rentable, model : Model) : String
+      + edit(form : InventoryMutateForm, result : Errors, product : Product, model : Model) : String
       + add(model : Model, type : String) : String
       + add(model : Model, form : InventoryMutateForm) : String
       + addConsumable(form : ConsumableMutateForm, result : Errors, model : Model) : String
diff --git a/src/main/asciidoc/models/design/inventory.svg b/src/main/asciidoc/models/design/inventory.svg
index 3a66862..025af30 100644
--- a/src/main/asciidoc/models/design/inventory.svg
+++ b/src/main/asciidoc/models/design/inventory.svg
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4dcaea23cec67916da78e8d262c83e4d1d7c8e4658c39dbd22068468cbc6c8ec
-size 49680
+oid sha256:3014cbef977f058555cdcaa33abef34ceb61f7921842b84fa41a0a5f265a40ce
+size 49706