fix(curriculum): clarify option count in weather app hint (#69282)

curriculum/challenges/english/blocks/lab-weather-app/66f12a88741aeb16b9246c59.md

@@ -333,7 +333,7 @@ assert.strictEqual(
 );
 ```
 
-Inside the `select` element there should be 6 `option` elements, one for each of the following cities: Paris, London, Tokyo, Los Angeles, Chicago, New York.
+In addition to the empty first option, the `select` element should contain 6 `option` elements, one for each of the following cities: Paris, London, Tokyo, Los Angeles, Chicago, New York.
 
 ```js
 ['Paris', 'London', 'Tokyo', 'Los Angeles', 'Chicago', 'New York'].forEach(
@@ -342,7 +342,7 @@ Inside the `select` element there should be 6 `option` elements, one for each of
       `select > option[value="${city.toLowerCase()}"]`
     );
     assert.exists(el);
-    assert.strictEqual(el.innerText.trim(), city);
+    assert.strictEqual(el.textContent.trim(), city);
   }
 );
 ```