diff --git a/README.md b/README.md
index 29ffc5e..fb96991 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ index while inside a container.
 
 **Version:** 0.1.0
 **Lib-ID:** lib-core.inventory-list
-**Requires:** lib-core.composition 0.2.0
+**Requires:** lib-core.composition 0.3.0
 **Tags:** inventory, entity, composition, list-container
 
 ## Topology
@@ -38,6 +38,7 @@ No weight, volume, or grid constraints (Phase F/G). No stackable items (Phase C+
 **Deferred (Loud-Error or not applicable):**
 - Stack items (`stack_mode != "individual"`) → Loud-Error in v0.1
 - Capacity / weight / volume constraints → Phase F/G
+- `add` Loud-Errort, wenn das Container-Template ein Phase-F/G-Constraint-Feld deklariert (`weight_max`/`volume_max`/`grid`/`accepts_fluid`/`accepts_gas`/`restrictions`)
 
 ## API