docs: fix typos

README.md

@@ -173,25 +173,21 @@ type Baz = NewType<'Baz', string>;
 type Secret = NewType<'Secret', string>;
 
 abstract class BaseFoo<T> {
-  protected abstract get foo(): T;
   abstract requestFoo(secret: Secret, baz: Baz): Optional<T>;
 }
 
 @Final
 @Frozen
 class Foo<T> extends BaseFoo<T> {
-  private readonly _foo: T;
+  readonly foo: T;
   bar: Optional<Bar>;
 
   constructor(foo: T, bar?: MaybeUndefined<Bar>) {
     super();
-    this._foo = foo;
+    this.foo = foo;
     this.bar = bar ?? null;
   }
-  protected override get foo(): T {
-    console.log('do some stuff first');
-    return this._foo;
-  }
+
 
   requestFoo(secret: Secret, baz: Baz): Optional<T> {
     // A function whose declared type is neither 'undefined', 'void', nor 'any' must return a value
@@ -218,7 +214,7 @@ const foo = new Foo<string>('foo');
 
 // Since the object is final:
 
-// The line below will cause a TypeError: Cannot inherit from the finl class Foo
+// The line below will cause a TypeError: Cannot inherit from the final class Foo
 const _ = new SubFoo('subFoo');
 
 // Since the object is frozen:

src/decorators.ts

@@ -42,7 +42,7 @@ export const Final = <CST extends Newable>(cst: CST): CST => {
       super(...args);
       const newTarget = new.target as unknown as typeof F;
       if (newTarget !== F) {
-        throw new FinalTypeError(`Cannot inherit from a final class`);
+        throw new FinalTypeError(`Cannot inherit from the final class: `);
       }
     }
   }

tests/final-class.test.ts

@@ -92,7 +92,7 @@ test('Should work when the final class is a subclass itself', () => {
 });
 
 test(`Should not allow inheritance, of the final class, when the final class
-  is a subclass itself, a TypeError should be thrown`, () => {
+  is a subclass itself, a FinalTypeError should be thrown`, () => {
   abstract class BaseFoo<T> {
     abstract someFoo(): T;
   }