diff --git a/xdoc/src/plugin-resources/xsd/maven-navigation-1.10.xsd b/xdoc/src/plugin-resources/xsd/maven-navigation-1.10.xsd
index 8a6d2294..09f54ba0 100644
--- a/xdoc/src/plugin-resources/xsd/maven-navigation-1.10.xsd
+++ b/xdoc/src/plugin-resources/xsd/maven-navigation-1.10.xsd
@@ -27,7 +27,15 @@
       <xs:attribute name="name" type="xs:string"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="title" type="xs:string"/>
+  <xs:element name="title">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="key" type="xs:string" use="optional"/>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
   <xs:element name="head"/>
   <xs:element name="body">
     <xs:complexType>
@@ -59,6 +67,7 @@
       </xs:sequence>
       <xs:attribute name="name" type="xs:string"/>
       <xs:attribute name="type" type="xs:string"/>
+      <xs:attribute name="key" type="xs:string"/>
       <!-- type is an optional entry that defines where the menu is destined for.
       	   Values - left-header (default), left-footer -->
     </xs:complexType>
@@ -70,6 +79,7 @@
         <xs:element ref="item" minOccurs="0" maxOccurs="unbounded"/>
       </xs:sequence>
       <xs:attribute name="name" type="xs:string"/>
+      <xs:attribute name="key" type="xs:string"/>
       <xs:attribute name="href" type="xs:string"/>
       <xs:attribute name="collapse" type="xs:boolean"/>
       <xs:attribute name="target" type="xs:string"/>
diff --git a/xdoc/src/xsd/maven-navigation.xsd b/xdoc/src/xsd/maven-navigation.xsd
index 8a6d2294..09f54ba0 100644
--- a/xdoc/src/xsd/maven-navigation.xsd
+++ b/xdoc/src/xsd/maven-navigation.xsd
@@ -27,7 +27,15 @@
       <xs:attribute name="name" type="xs:string"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="title" type="xs:string"/>
+  <xs:element name="title">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:string">
+          <xs:attribute name="key" type="xs:string" use="optional"/>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
   <xs:element name="head"/>
   <xs:element name="body">
     <xs:complexType>
@@ -59,6 +67,7 @@
       </xs:sequence>
       <xs:attribute name="name" type="xs:string"/>
       <xs:attribute name="type" type="xs:string"/>
+      <xs:attribute name="key" type="xs:string"/>
       <!-- type is an optional entry that defines where the menu is destined for.
       	   Values - left-header (default), left-footer -->
     </xs:complexType>
@@ -70,6 +79,7 @@
         <xs:element ref="item" minOccurs="0" maxOccurs="unbounded"/>
       </xs:sequence>
       <xs:attribute name="name" type="xs:string"/>
+      <xs:attribute name="key" type="xs:string"/>
       <xs:attribute name="href" type="xs:string"/>
       <xs:attribute name="collapse" type="xs:boolean"/>
       <xs:attribute name="target" type="xs:string"/>