Fixed a missing element open bracket (dotnet#5255)

Author: b4ux1t3

xml/System.Globalization/JapaneseCalendar.xml

@@ -103,7 +103,7 @@
   
  The date January 1, 2001 A.D. in the Gregorian calendar is equivalent to the first day of Ichigatsu in the year Heisei 13 in the Japanese calendar.  
   
- If the <xref:System.Globalization.JapaneseCalendar> is the current calendar of the Japanese culture, <xref:System.DateTime.Parse%2A?displayProperty=nameWithType> recognizes the era abbreviations in front of the year. The abbreviation is either the single-character case-insensitive Latin alphabet abbreviation or the single-character Kanji abbreviation. xref:System.DateTime.Parse%2A?displayProperty=nameWithType> also recognizes either "1" or Gannen (元年) as the first year of an era.
+ If the <xref:System.Globalization.JapaneseCalendar> is the current calendar of the Japanese culture, <xref:System.DateTime.Parse%2A?displayProperty=nameWithType> recognizes the era abbreviations in front of the year. The abbreviation is either the single-character case-insensitive Latin alphabet abbreviation or the single-character Kanji abbreviation. <xref:System.DateTime.Parse%2A?displayProperty=nameWithType> also recognizes either "1" or Gannen (元年) as the first year of an era.
   
  Each <xref:System.Globalization.CultureInfo> object supports a set of calendars. The <xref:System.Globalization.CultureInfo.Calendar%2A> property returns the default calendar for the culture, and the <xref:System.Globalization.CultureInfo.OptionalCalendars%2A> property returns an array containing all the calendars supported by the culture. To change the calendar used by a <xref:System.Globalization.CultureInfo>, set the <xref:System.Globalization.DateTimeFormatInfo.Calendar%2A?displayProperty=nameWithType> property to a new <xref:System.Globalization.Calendar>.