VK review

Author: rachel-mack

source/upgrade.txt

@@ -124,8 +124,7 @@ Version 5.0 Breaking Changes
 - This driver changes how ``ClusterSettings`` computes
   ``ClusterConnectionMode``, making it more consistent by using the specified
   replica set name, regardless of how it is configured. Previously, replica set
-  name was only considered if it was set by the connection string. This may
-  change how 
+  name was only considered if it was set by the connection string.
 
 - This driver changes how ``BsonDecimal128`` values respond to method calls, by
   responding in the same way as ``Decimal128`` values. In particular,