FAQ/Questions/Adding-Custom-Time-Periods.md
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@@ -55,7 +55,7 @@ GROUP BY DATEPART(year, [dbo].[Invoices].[OrderDate]), DATEPART(month, [dbo].[In
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ORDER BY DATEPART(year, [dbo].[Invoices].[OrderDate]) ASC;
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```
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-##Modifying An Existing Time Period
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+###Modifying An Existing Time Period
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You may at any time modify your existing set of custom time periods. You cannot, however, modify built-in time periods this way.
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