small fix

Author: mayaraman19

source/fundamentals/linq.txt

@@ -326,7 +326,7 @@ Nested Statements
 You can chain or nest ``Select`` and ``SelectMany`` statements to unwind nested
 arrays. Consider a collection that contains documents with a **new** schema. These
 documents contain a ``restaurants`` field, which holds an array of documents 
-that each represent the ``Restaurant`` class. These documents each have
+that each represent the ``Restaurant`` class. The documents within the array each have
 a ``grades`` field that holds an array of documents that each represent
 the ``Grade`` class. The following code is an example of a single document in
 this collection: