change a string in my xml code non programatically.

[TotalPower]

Hello I am wondering if there is a way to change a string value in my xml code without touching the .java filee.g.in case i have in the strings.xml\[code\]<string name="title"> This is my title</string> \[/code\]If I can change inside my main.xml fileThe string to have the value: This is my titlemeaning to have the third word of my string on bold Thank you