Minor edits

Author: seesharprun

articles/cosmos-db/mongodb/feature-support-40.md

@@ -530,7 +530,7 @@ $polygon | No |
 
 ## Sort operations
 
-When using the `findOneAndUpdate` operation, sort operations on a single field are supported but sort operations on multiple fields are not supported.
+When using the `findOneAndUpdate` operation with Mongo API version 4.0, sort operations on a single field and multiple fields are supported. Sort operations on multiple fields was a limitation of previous wire protocols.
 
 ## Indexing
 The API for MongoDB [supports a variety of indexes](mongodb-indexing.md) to enable sorting on multiple fields, improve query performance, and enforce uniqueness.

articles/cosmos-db/sql/migrate-dotnet-v3.md

@@ -88,7 +88,7 @@ The following classes have been replaced on the 3.0 SDK:
 
 * `Microsoft.Azure.Documents.Resource`
 
-The Microsoft.Azure.Documents.UriFactory class has been replaced by the fluent design. The fluent design builds URLs internally and allows a single `Container` object to be passed around instead of a `DocumentClient`, `DatabaseName`, and `DocumentCollection`.
+The Microsoft.Azure.Documents.UriFactory class has been replaced by the fluent design. 
 
 Because the .NET v3 SDK allows users to configure a custom serialization engine, there's no direct replacement for the `Document` type. When using Newtonsoft.Json (default serialization engine), `JObject` can be used to achieve the same functionality. When using a different serialization engine, you can use its base json document type (for example, `JsonDocument` for System.Text.Json). The recommendation is to use a C# type that reflects the schema of your items instead of relying on generic types.
 
@@ -133,6 +133,8 @@ The following properties have been removed:
 
 The .NET SDK v3 provides a fluent `CosmosClientBuilder` class that replaces the need for the SDK v2 URI Factory.
 
+The fluent design builds URLs internally and allows a single `Container` object to be passed around instead of a `DocumentClient`, `DatabaseName`, and `DocumentCollection`.
+
 The following example creates a new `CosmosClientBuilder` with a strong ConsistencyLevel and a list of preferred locations:
 
 ```csharp