diff --git a/xep-0221.xml b/xep-0221.xml
index 4d2a03e9..86ab1a21 100644
--- a/xep-0221.xml
+++ b/xep-0221.xml
@@ -80,7 +80,6 @@
 
   <xs:element name='media'>
     <xs:complexType>
-      <xs:sequence>
       <xs:sequence xmlns:data='urn:xmpp:tmp:data-element'>
         <xs:element ref='uri' minOccurs='1' maxOccurs='unbounded'/>
         <xs:element ref='data:data' minOccurs='0' maxOccurs='unbounded'/>
@@ -94,7 +93,7 @@
     <xs:complexType>
       <xs:simpleContent>
         <xs:extension base='xs:string'>
-          <xs:attribute name='type' use='required'/>
+          <xs:attribute name='type' type='xs:string' use='required'/>
         </xs:extension>
       </xs:simpleContent>
     </xs:complexType>