fix typo (#9338)

Co-authored-by: Ezra Citron <[email protected]>

Author: lemonez

xml/System.ComponentModel.DataAnnotations/ValidationAttribute.xml

@@ -337,7 +337,7 @@ This constructor chooses a very generic validation error message. Developers sub
           <format type="text/markdown"><![CDATA[  
   
 ## Remarks  
- You use the <xref:System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageResourceType%2A> property together with the <xref:System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageResourceName%2A> property in to provide a localized error message.  
+ You use the <xref:System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageResourceType%2A> property together with the <xref:System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageResourceName%2A> property in order to provide a localized error message.  
   
  ]]></format>
         </remarks>