Fix method chaining subsection typo

Author: ryanmcdermott

README.md

@@ -1510,7 +1510,7 @@ class Car {
  }
 
  setMake(make) {
- this.name = name;
+ this.make = make;
  }
 
  setModel(model) {
@@ -1543,7 +1543,7 @@ class Car {
  }
 
  setMake(make) {
- this.name = name;
+ this.make = make;
  // NOTE: Returning this for chaining
  return this;
  }