DOCS-853 shorten sentences and change variable name

Author: kay-kim

source/reference/method/cursor.toArray.txt

@@ -6,10 +6,9 @@ cursor.toArray()
 
 .. method:: cursor.toArray()
 
-   The :method:`toArray() <cursor.toArray()>` method iterates a cursor
-   completely to retrieve the documents and return these documents in
-   an array. The :method:`toArray() <cursor.toArray()>` method loads
-   into RAM all documents returned by the cursor and exhausts the
+   The :method:`toArray() <cursor.toArray()>` method returns an array
+   that contains all the documents from a cursor. The method loads all
+   the documents returned by the cursor into RAM and exhausts the
    cursor.
 
    :returns: An array of documents.
@@ -20,9 +19,9 @@ Consider the following example that applies :method:`toArray()
 
 .. code-block:: javascript
 
-   var docArray = db.products.find().toArray();
+   var allProductsArray = db.products.find().toArray();
 
-   if (docArray.length > 0) { printjson (docArray[0]); }
+   if (allProductsArray.length > 0) { printjson (allProductsArray[0]); }
 
-The variable ``docArray`` holds the array of documents returned by
+The variable ``allProductsArray`` holds the array of documents returned by
 :method:`toArray() <cursor.toArray()>`.