message: Use different toppings of Toggle doc
  It appears there was a copy/paste error, or I misunderstand the code.
diff: @@ -425,7 +425,7 @@ export class ToggleExample {
  <ion-toggle
  @ionChange="toppings.value.push($event.target.value)"
  value="sausage"
  - :checked="toppings.value.indexOf('pepperoni') !== -1"
  + :checked="toppings.value.indexOf('sausage') !== -1"
  disabled="true">
  </ion-toggle>
  </ion-item>
  @@ -435,7 +435,7 @@ export class ToggleExample {
  <ion-toggle
  @ionChange="toppings.value.push($event.target.value)"
  value="mushrooms"
  - :checked="toppings.value.indexOf('pepperoni') !== -1">
  + :checked="toppings.value.indexOf('mushrooms') !== -1">
  </ion-toggle>
  </ion-item>
  </ion-list>
  