Fixed examples for new data

dfreniche · dfreniche · commit 2b947bfbab2d · 2023-10-11T07:56:15.000-04:00
diff --git a/docs/80-modifying-results/adding-fields.mdx b/docs/80-modifying-results/adding-fields.mdx
@@ -15,7 +15,7 @@ db.books.aggregate([
 ])
 ```
 
-💻 Add a new field `notes` that contains `PLACEHOLDER` for all documents.
+💻 Add a new field `notes` that contains the text `PLACEHOLDER` for all documents.
 
 <details>
 <summary>Answer</summary>
