diff --git a/xml/System.Data/DataTableReader.xml b/xml/System.Data/DataTableReader.xml index 83a940b03c1..d865fd3cf32 100644 --- a/xml/System.Data/DataTableReader.xml +++ b/xml/System.Data/DataTableReader.xml @@ -1498,7 +1498,7 @@ Russ ## Remarks Because most of the methods provided by the class must be provided with an ordinal column number, you can use the `GetOrdinal` method to retrieve the column number, given the name of the column. - `GetOrdinal` performs a case-sensitive lookup first. If it fails, a second case-insensitive search is made. If the column number is not found an `IndexOutOfRangeException` is thrown. + `GetOrdinal` performs a case-sensitive lookup first. If it fails, a second case-insensitive search is made. If the column number is not found an `ArgumentException` is thrown. `GetOrdinal` is kana-width insensitive.