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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Pollen: West Midlands Update
Pollen: East Midlands Update
Further heavy shower and thunderstorms moving north across the region today, with some sunny spells in between.