fixes

Author: mongoKart

source/get-started/create-connection-string.txt

@@ -16,7 +16,7 @@ when applicable, and connection options.
 .. tip::
 
    To connect to a self-managed (non-Atlas) deployment, see
-   :ref:`csharp-connection-targets`.
+   :ref:`csharp-connect-to-mongodb`.
 
 .. procedure::
    :style: connected

source/whats-new.txt

@@ -61,7 +61,7 @@ The 3.1 driver release includes the following new features:
   in the Atlas Search documentation.
 
 - Adds support for the ``sort`` option to be passed to update commands. To learn more about
-  using update commands with the {+driver-short+}, see :ref:`csharp-change-guide`.
+  using update commands with the {+driver-short+}, see :ref:`csharp-crud-write-operations`.
 
 For more information about this release, see the :github:`v3.1 release notes
 </mongodb/mongo-csharp-driver/releases/tag/v3.1.0>`.