Microsoft.Extensions.Configuration.ConfigurationManager summary is out of date wrt XML doc comment

The summary on the [ConfigurationManager Class (Microsoft.Extensions.Configuration) | Microsoft Learn](https://learn.microsoft.com/en-us/dotnet/api/microsoft.extensions.configuration.configurationmanager?view=dotnet-plat-ext-7.0) page contains this:

> Once [IConfigurationBuilder.Build()](https://learn.microsoft.com/en-us/dotnet/api/microsoft.extensions.configuration.configurationmanager.microsoft-extensions-configuration-iconfigurationbuilder-build?view=dotnet-plat-ext-7.0#microsoft-extensions-configuration-configurationmanager-microsoft-extensions-configuration-iconfigurationbuilder-build) is called, the configuration is frozen.

However, that sentence was deleted from the XML documentation comment in ConfigurationManager.cs in , before the .NET 7.0.0 release. As far as I can tell, the sentence has never been true; when ConfigurationManager was first added in , the implementation already had `IConfigurationRoot IConfigurationBuilder.Build() => this;`, which does not freeze anything.

Is `xml/Microsoft.Extensions.Configuration/ConfigurationManager.xml` maintained manually, or is some automated process expected to import the XML doc comment changes?