"as" should be "is" in the descriptions:

Returns a flag indicating if the property as capable of storing only fixed-length data, such as strings.

Document Details

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• ID: 158ab06b-9877-fb31-51ad-f9782c2b698c
• Version Independent ID: 4c9bdf01-3926-f977-0227-5b3ef2bd5f3d
• Content: RelationalPropertyExtensions.IsFixedLength Method (Microsoft.EntityFrameworkCore)
• Content Source: dotnet/xml/Microsoft.EntityFrameworkCore/RelationalPropertyExtensions.xml
• Product: ef-core-api
• GitHub Login: @dotnet-bot
• Microsoft Alias: avickers