Fix a namespace summary in the sandcastle config.
Fix a namespace summary in the sandcastle config.


Former-commit-id: 9416367c30ec41d3c68ed19b7da6714e2a15bd21
basho/riak-dotnet-client,basho/riak-dotnet-client,rob-somerville/riak-dotnet-client,rob-somerville/riak-dotnet-client