xml modify age with space, Sql Server

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DECLARE @xmldata XML = N'<Root>
         <Identification Name="John"  Family="Brown"><Age>40</Age><name>xxx</name></Identification>
         <Identification Name="Smith" Family="Johnson"><Age>35</Age><name>xxx</name></Identification>
         <Identification Name="Jessy" Family="Albert"><Age>60</Age><name>xxx</name></Identification>
         <Identification Name="Mike"  Family="Brown"><Age>23</Age><name>xxx</name></Identification>
         <Identification Name="Sarah" Family="Johnson"><Age>40</Age><name>xxx</name></Identification>
         <Identification Name="Jessy" Family="Albert"><Age>40</Age><name>xxx</name></Identification>
         <Identification Name="Mike"  Family="Brown"><Age>23 </Age><name>xxx</name></Identification>
         <Identification Name="Sarah" Family="Johnson"><Age>45</Age><name>xxx</name></Identification>         
         </Root>';

DECLARE @age2 VARCHAR(40)='23';
DECLARE @ageNew2 VARCHAR(40)='43';

--
-- let's use an int to search
--
DECLARE @age2int INT = cast(@age2 as int);

--
-- how many to modify
--
DECLARE @cnt int = @xmldata.value('count(/Root/Identification/Age[.=sql:variable("@age2int")])','int');

--
-- loop over the elements to modify
--
WHILE @cnt > 0
BEGIN
  SET @xmldata.modify('replace value of (/Root/Identification/Age[.=sql:variable("@age2int")]/text())[1] with sql:variable("@ageNew2")');
  SET @cnt = @cnt - 1;
END;

select @xmldata as xmldata;

View schema
Execution time: 0,03 sec, rows selected: 10, rows affected: 0, absolute service time: 0,2 sec, absolute service time: 0,21 sec