diff --git a/schema/lib/types/gomodh.xsd b/schema/lib/types/gomodh.xsd
index 6add19c..31831f1 100644
--- a/schema/lib/types/gomodh.xsd
+++ b/schema/lib/types/gomodh.xsd
@@ -15,7 +15,7 @@
     <xs:complexContent>
       <xs:extension base="t_gomodh_base">
         <xs:all>
-          <xs:element name="realUrl" type="t_gomodh_vcs_uri"/>
+          <xs:element name="realUrl" type="t_gomodh_vcs_uri" minOccurs="1"/>
         </xs:all>
         <xs:attribute name="vcsType" type="t_gomodh_vcs" use="required"/>
       </xs:extension>
diff --git a/schema/projects/gomodh.xsd b/schema/projects/gomodh.xsd
index 8163f10..96870ef 100644
--- a/schema/projects/gomodh.xsd
+++ b/schema/projects/gomodh.xsd
@@ -17,6 +17,10 @@
       </xs:choice>
       <xs:attribute name="baseURL" type="t_net_http_basic_uri" use="required"/>
     </xs:complexType>
+    <xs:key name="key_name">
+      <xs:selector xpath="./*"/>
+      <xs:field xpath="@name"/>
+    </xs:key>
   </xs:element>
 
 </xs:schema>