Revert accidental change

Author: citelao

windows.globalization.datetimeformatting/datetimeformatter_datetimeformatter_1042679024.md

@@ -39,7 +39,7 @@ The clock identifier to use. This should be a value from [ClockIdentifiers](wind
 
 If your app passes language tags used in this class to any [National Language Support](/windows/desktop/Intl/national-language-support) functions, it must first convert the tags by calling [ResolveLocaleName](/windows/desktop/api/winnls/nf-winnls-resolvelocalename).
 
-Language tags support the Unicode extensions "ca-" and "nu-". (See [Unicode Key/Type Definitions](https://www.unicode.org/reports/tr35/#Key_Type_Definitions).) Note that these extensions can affect the calendar used by Clock objects.
+Language tags support the Unicode extensions "ca-" and "nu-". (See [Unicode Key/Type Definitions](https://www.unicode.org/reports/tr35/#Key_Type_Definitions).) Note that these extensions can affect the calendar used by Calendar objects.
 
 ## -examples