diff --git a/org.fortiss.tooling.base/model/.ratings b/org.fortiss.tooling.base/model/.ratings
index d04c46eba475fc12ef73df80d6fea38998e8a641..a010f8f181326f47b61a7e28320ae23d56f74c3b 100644
--- a/org.fortiss.tooling.base/model/.ratings
+++ b/org.fortiss.tooling.base/model/.ratings
@@ -1 +1 @@
-base.ecore 3d98f771fef61c067b2722c1bdf401f5b533ce37 RED
+base.ecore c656c35978afc6ea540440c2f47f45d360cc35b6 RED
diff --git a/org.fortiss.tooling.base/model/base.ecore b/org.fortiss.tooling.base/model/base.ecore
index 3d98f771fef61c067b2722c1bdf401f5b533ce37..c656c35978afc6ea540440c2f47f45d360cc35b6 100644
--- a/org.fortiss.tooling.base/model/base.ecore
+++ b/org.fortiss.tooling.base/model/base.ecore
@@ -190,7 +190,7 @@
     <eClassifiers xsi:type="ecore:EClass" name="IConstraintBasedProcess" abstract="true"
         interface="true">
       <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
-        <details key="documentation" value="Marker interface for metaclasses to describe constraint-based development processes."/>
+        <details key="documentation" value="Marker interface for metaclasses to describe constraint-based development processes.&#xD;&#xA;&#xD;&#xA;TODO: Clarify relation to constraint metaclasses in tooling.kernel."/>
       </eAnnotations>
       <eStructuralFeatures xsi:type="ecore:EReference" name="currentObjective" eType="#//element/ConstraintConfiguration">
         <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
@@ -212,7 +212,7 @@
     </eClassifiers>
     <eClassifiers xsi:type="ecore:EClass" name="ConstraintConfiguration" eSuperTypes="platform:/resource/org.fortiss.tooling.kernel/model/kernel.ecore#//INamedElement">
       <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
-        <details key="documentation" value="Hierarchical description of constraint configuration."/>
+        <details key="documentation" value="Hierarchical description of constraint configuration.&#xD;&#xA;&#xD;&#xA;TODO: Clarify relation to constraint metaclasses in tooling.kernel."/>
       </eAnnotations>
       <eStructuralFeatures xsi:type="ecore:EAttribute" name="activeConstraints" upperBound="-1"
           eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString">
@@ -504,10 +504,14 @@
         <eTypeArguments eTypeParameter="#//base/DerivedAnnotationBase/T"/>
       </eGenericSuperTypes>
     </eClassifiers>
-    <eClassifiers xsi:type="ecore:EClass" name="ConstraintInstanceContainer" eSuperTypes="platform:/resource/org.fortiss.tooling.kernel/model/kernel.ecore#//constraints/IConstraintInstanceContainer"/>
+    <eClassifiers xsi:type="ecore:EClass" name="ConstraintInstanceContainer" eSuperTypes="platform:/resource/org.fortiss.tooling.kernel/model/kernel.ecore#//constraints/IConstraintInstanceContainer">
+      <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
+        <details key="documentation" value="@deprecated Currently unused. TODO Caveat: Base class is defined in tooling.kernel."/>
+      </eAnnotations>
+    </eClassifiers>
     <eClassifiers xsi:type="ecore:EClass" name="ConstraintBasedProcess" eSuperTypes="#//element/IConstraintBasedProcess">
       <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
-        <details key="documentation" value="Base class for {@link IConstraintBasedProcess}es."/>
+        <details key="documentation" value="Base class for {@link IConstraintBasedProcess}es.&#xD;&#xA;&#xD;&#xA;TODO: Clarify relation to constraint metaclasses in tooling.kernel."/>
       </eAnnotations>
     </eClassifiers>
   </eSubpackages>