Update 2-search-inside-objects-in-arrays.mdx

Author: Meg528

docs/40-using-arrays/2-search-inside-objects-in-arrays.mdx

@@ -1,6 +1,6 @@
 # 👐 Searching inside Objects in arrays
 
-In our books we're using the [Attribute Pattern](https://www.mongodb.com/developer/products/mongodb/attribute-pattern/) to have different attributes in our documents. As we can see in the [sample doc](/docs/simple-queries/project) we have an `attributes` array, containing several objects, each with the same structure:
+In our books, we're using the [Attribute Pattern](https://www.mongodb.com/developer/products/mongodb/attribute-pattern/) to have different attributes in our documents. As we can see in the [sample doc](/docs/simple-queries/project), we have an `attributes` array, containing several objects, each with the same structure:
 
 ```js
 attributes: [
@@ -31,7 +31,7 @@ attributes: [
   ],
 ```
 
-How do we search for all the books that have an msrp of 9.99? We want books that, inside `attributes` has an object with key `msrp` and value `9.99`. We can get it to work with this:
+How do we search for all the books that have an msrp of 9.99? We want books that, inside `attributes`, have an object with key `msrp` and value `9.99`. We can get it to work with this:
 
 ```js
 db.books.aggregate([
@@ -43,7 +43,7 @@ db.books.aggregate([
 
 Here we're getting a copy of each book for each object inside the `$attributes` array. This "flattens" the array and returns many copies of the same documents, one for each different attribute that we have which will be different for each of these generated docs.
 
-👐 To better understand `$unwind`, run this aggregation
+👐 To better understand `$unwind`, run this aggregation.
 
 ```js
 db.books.aggregate([