Error 'text' attribute Word 2010

[jan...@ribbonspace.com]

Below code in Custom UI 2010 throws this error 4 times:

The 'text' attribute is not declared

for below xml taken from MSDN
http://msdn.microsoft.com/en-us/library/ee691833(office.14).aspx#odc_Office2010Introduction2OutSpaceUI_DescriptionsAttributesChildInformation

Does anyone know why please?

<?xml version="1.0" encoding="utf-8" ?>
<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui"
onLoad="OnLoad">
<backstage>
<tab id="testArea" insertAfterMso="TabInfo" label="Sample Scenarios"
columnWidthPercent="30" >
<firstColumn>
<group id="grpOne" label="Group One" helperText="This is helper
text for Group One">
<primaryItem>
<button id="firstButton" label="Primary Button"
onAction="SampleCallback" />
</primaryItem>
<topItems>
<layoutContainer id="layoutOne" layoutChildren="vertical">
<editBox id="firstEBox" label="Sample Edit Box" text="This
is sample text" alignLabel="topRight" />
<button id="sampleButton" label="Sample Definitive Button"
isDefinitive="true" imageMso="FileDocumentInspect" />
</layoutContainer>
</topItems>
</group>
<group id="grpTwo" label="Group Two" visible="true" >
<primaryItem>
<menu id="menuOne" label="DropDown Menu">
<menuGroup id="menuGrpOne" >
<button id="btnOne" label="Button one" />
<button id="btnTwo" label="Button two" />
<checkBox id="chkBoxOne" label="Sample Check Box" />
</menuGroup>
</menu>
</primaryItem>
<topItems>
<editBox id="secondEBox" text="Disabled Edit Box"
enabled="false"/>
<imageControl id="imgControlOne" imageMso="BlogHomePage"/>
<groupBox id="grpBox" label="Group Box with Check Boxes and
Radio Group">
<checkBox id="chkBox1" label="A Check Box" />
<checkBox id="chkBox2" label="Disabled Check Box"
enabled="false" />
<radioGroup id="rdoGrp" label="Nested Radio Group" >
<radioButton id="firstRadioBtn" label="1st Radio
Button"/>
<radioButton id="secondRadioBtn" label="2nd Radio
Button"/>
</radioGroup>
</groupBox>
</topItems>
</group>
</firstColumn>
<secondColumn>
<group id="grpThree" label="Group Three" visible="true">
<topItems>
<comboBox id="firstCBox" label="Sample Combo Box" >
<item id="itema" label="Cat"/>
<item id="itemb" label="Dog"/>
<item id="itemc" label="Fish"/>
</comboBox>
<layoutContainer id="layoutTwo" layoutChildren="vertical">
<editBox id="thirdEBox" label="Part of vertical layout" />
<editBox id="fourthEBox" label="Part of vertical layout"
/>
<editBox id="fifthEBox" label="Part of vertical layout" />
</layoutContainer>
<layoutContainer id="layoutThree"
layoutChildren="horizontal">
<button id="anotherButton" label="Horizontal layout"
imageMso="NewAppointment" />
<hyperlink id="hyperLink" label="You can place a link
here"/>
<button id="lastButton" label="Horizontal layout" />
</layoutContainer>
</topItems>
</group>
</secondColumn>
</tab>
</backstage>