Fix comment on a GC rule to match the code
Fix comment on a GC rule to match the code

Fixes #794

Additionally, add whitespace in object initializers to be consistent with other code.

GoogleCloudPlatform/dotnet-docs-samples,GoogleCloudPlatform/dotnet-docs-samples,GoogleCloudPlatform/dotnet-docs-samples,GoogleCloudPlatform/dotnet-docs-samples