Alison Corfield says she is delighted by the parish council's decision to correct her great uncle's memorial name.
Mrs. Corfield, from Shrewsbury, says her family had tried to hide the extra "s" by covering it with mud.
She wrote to councillors arguing that a change would be appropriate as the 100th anniversary of the start of hostilities approached.
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Further showers or longer spells of rain for many tonight, with it being heavy at times. Strong winds will also continue.
Leicester City striker Jamie Vardy has earned himself a place in football's history today after scoring against Manchester United.
Further showers or longer spells of rain for many tonight, heavy at times, particularly over the hills.