Updating a value in a nested array of objects in React

How to update just one value in an array of objects in a state

“Red and Blue Pelikan Br 40 Eraser on White Surface” by Pixabay

Say we have a component with an array of to-do’s, just like this:

state = {
  todos: [
   {id: 1, 
    title: "Eat breakfast",
    completed: false},
   {id: 2,
    title: "Make bed",
    completed: false}
  ]
}