diff --git a/resources/schema/bilingual_dictionaries_hun.xsd b/resources/schema/bilingual_dictionaries_hun.xsd
index 043b579..4152258 100644
--- a/resources/schema/bilingual_dictionaries_hun.xsd
+++ b/resources/schema/bilingual_dictionaries_hun.xsd
@@ -12,7 +12,7 @@
       <xsd:element name="explanation" type="xsd:string" minOccurs="0"/>
     </xsd:sequence>
     <xsd:attribute name="cluster" type="xsd:int" use="optional"/>
-    <xsd:attribute name="position" type="xsd:int" use="optional"/>
+    <xsd:attribute name="source" type="xsd:string" use="optional"/>
   </xsd:complexType>
 
   <xsd:complexType name="translationContainerListType">
diff --git a/resources/schema/inventory.xsd b/resources/schema/inventory.xsd
index 013c55d..fd95b05 100644
--- a/resources/schema/inventory.xsd
+++ b/resources/schema/inventory.xsd
@@ -204,7 +204,7 @@
     <xsd:sequence>
       <xsd:element name="comp" type="componentLexemeType" maxOccurs="unbounded"/>
     </xsd:sequence>
-    <xsd:attribute name="type">
+    <xsd:attribute name="type" use="required">
       <xsd:simpleType>
         <xsd:restriction base="xsd:string">
           <xsd:enumeration value="collocation"/>
@@ -217,6 +217,7 @@
     <xsd:attribute name="frequency" type="xsd:int"/>
     <xsd:attribute name="logDice" type="xsd:decimal"/>
     <xsd:attribute name="audio" type="xsd:string"/>
+    <xsd:attribute name="cluster" type="xsd:int"/>
   </xsd:complexType>
 
 </xsd:schema>