Fix

Author: mcmorisi

source/upgrade/v3.txt

@@ -97,7 +97,7 @@ Version 3.0 Breaking Changes
   To configure logging in your application, see the :ref:`csharp-logging` guide.
 
 - The LINQ2 provider has been removed from this version of the driver.
-  You must use LINQ3 for all LINQ queries. This change has the following effects on the
+  You must use LINQ3 for all LINQ queries. This change has the following effect on the
   driver:
 
   - Queries that use client-side projections will throw an ``ExpressionNotSupportedException``
@@ -110,7 +110,7 @@ Version 3.0 Breaking Changes
 
 - Previous versions of the {+driver-short+} supported two GUID representation modes.
   In version 3.0, ``GuidRepresentationMode.V3`` is the only supported mode. This change
-  has the following effect on the driver:
+  has the following effects on the driver:
 
   - The ``BsonBinaryData(Guid)`` constructor has been removed. To construct a ``BsonBinaryData``
     object from a GUID, use the ``BsonBinaryData.Create(Guid, GuidRepresentation)`` constructor.